Finding the Fourth Proportional to 72,077,139.38, 99,386,750.97 and 45,930,242.18

Step by Step Solution

1. Step 1: Write the proportion equation
   72,077,139.38 : 99,386,750.97 = 45,930,242.18 : x
2. Step 2: Convert to fraction form
   72,077,139.38/99,386,750.97 = 45,930,242.18/x
3. Step 3: Cross multiply
   72,077,139.38x = 99,386,750.97 × 45,930,242.18
4. Step 4: Simplify right side
   72,077,139.38x = 4,564,857,541,038,516
5. Step 5: Solve for x
   x = 4,564,857,541,038,516/72,077,139.38
6. Step 6: Final answer
   x = 63,332,945.52