Finding the Fourth Proportional to 375,503.24, 563,248.71 and 91,196.13

Step by Step Solution

1. Step 1: Write the proportion equation
   375,503.24 : 563,248.71 = 91,196.13 : x
2. Step 2: Convert to fraction form
   375,503.24/563,248.71 = 91,196.13/x
3. Step 3: Cross multiply
   375,503.24x = 563,248.71 × 91,196.13
4. Step 4: Simplify right side
   375,503.24x = 51,366,101,779.89
5. Step 5: Solve for x
   x = 51,366,101,779.89/375,503.24
6. Step 6: Final answer
   x = 136,792.70