Finding the Fourth Proportional to 147,870,338.74, 204,047,373.10 and 81,789,414.90

Step by Step Solution

1. Step 1: Write the proportion equation
   147,870,338.74 : 204,047,373.10 = 81,789,414.90 : x
2. Step 2: Convert to fraction form
   147,870,338.74/204,047,373.10 = 81,789,414.90/x
3. Step 3: Cross multiply
   147,870,338.74x = 204,047,373.10 × 81,789,414.90
4. Step 4: Simplify right side
   147,870,338.74x = 16,688,915,257,731,000
5. Step 5: Solve for x
   x = 16,688,915,257,731,000/147,870,338.74
6. Step 6: Final answer
   x = 112,861,817.99