Finding the Fourth Proportional to 147,870,309.33, 204,047,332.62 and 81,789,385.35

Step by Step Solution

1. Step 1: Write the proportion equation
   147,870,309.33 : 204,047,332.62 = 81,789,385.35 : x
2. Step 2: Convert to fraction form
   147,870,309.33/204,047,332.62 = 81,789,385.35/x
3. Step 3: Cross multiply
   147,870,309.33x = 204,047,332.62 × 81,789,385.35
4. Step 4: Simplify right side
   147,870,309.33x = 16,688,905,917,296,804
5. Step 5: Solve for x
   x = 16,688,905,917,296,804/147,870,309.33
6. Step 6: Final answer
   x = 112,861,777.28