Finding the Fourth Proportional to 375,403.43, 563,100.39 and 91,096.31

Step by Step Solution

1. Step 1: Write the proportion equation
   375,403.43 : 563,100.39 = 91,096.31 : x
2. Step 2: Convert to fraction form
   375,403.43/563,100.39 = 91,096.31/x
3. Step 3: Cross multiply
   375,403.43x = 563,100.39 × 91,096.31
4. Step 4: Simplify right side
   375,403.43x = 51,296,369,096.31
5. Step 5: Solve for x
   x = 51,296,369,096.31/375,403.43
6. Step 6: Final answer
   x = 136,643.32