Finding the Fourth Proportional to 131,151.96, 181,010.70 and 74,581.56

Step by Step Solution

1. Step 1: Write the proportion equation
   131,151.96 : 181,010.70 = 74,581.56 : x
2. Step 2: Convert to fraction form
   131,151.96/181,010.70 = 74,581.56/x
3. Step 3: Cross multiply
   131,151.96x = 181,010.70 × 74,581.56
4. Step 4: Simplify right side
   131,151.96x = 13,500,060,382.69
5. Step 5: Solve for x
   x = 13,500,060,382.69/131,151.96
6. Step 6: Final answer
   x = 102,934.49