English to Spanish Law/Patents Insurance

¿Podría ayudarme a descifrar cómo traducir al español la siguiente parte de este párrafo que pongo de contexto?
No logro encontrar una buena manera de redactarlo.

"... an amount being the same proportion as the Company's payment bears to the total payment..."

Provided that in the event of a Claim or series of Claims arising from an Occurrence resulting in liability of the Insured to pay a sum in excess of the Limit of Indemnity the Company's liability for such costs and expenses shall not exceed an amount being in the same proportion as the Company's payment bears to the total payment made by or on behalf of or to be made by the Insured in satisfaction of the Claim or Claims