Finding the Fourth Proportional to 137,068.92, 189,097.18 and 91,761.50

Step by Step Solution

1. Step 1: Write the proportion equation
   137,068.92 : 189,097.18 = 91,761.50 : x
2. Step 2: Convert to fraction form
   137,068.92/189,097.18 = 91,761.50/x
3. Step 3: Cross multiply
   137,068.92x = 189,097.18 × 91,761.50
4. Step 4: Simplify right side
   137,068.92x = 17,351,840,882.57
5. Step 5: Solve for x
   x = 17,351,840,882.57/137,068.92
6. Step 6: Final answer
   x = 126,592.09