Finding the Fourth Proportional to 91,414.10, 137,065.74 and 59,785.96

Step by Step Solution

1. Step 1: Write the proportion equation
   91,414.10 : 137,065.74 = 59,785.96 : x
2. Step 2: Convert to fraction form
   91,414.10/137,065.74 = 59,785.96/x
3. Step 3: Cross multiply
   91,414.10x = 137,065.74 × 59,785.96
4. Step 4: Simplify right side
   91,414.10x = 8,194,606,849.01
5. Step 5: Solve for x
   x = 8,194,606,849.01/91,414.10
6. Step 6: Final answer
   x = 89,642.70