Finding the Fourth Proportional to 72,940.38, 108,760.94 and 72,800.93

Step by Step Solution

1. Step 1: Write the proportion equation
   72,940.38 : 108,760.94 = 72,800.93 : x
2. Step 2: Convert to fraction form
   72,940.38/108,760.94 = 72,800.93/x
3. Step 3: Cross multiply
   72,940.38x = 108,760.94 × 72,800.93
4. Step 4: Simplify right side
   72,940.38x = 7,917,896,671.86
5. Step 5: Solve for x
   x = 7,917,896,671.86/72,940.38
6. Step 6: Final answer
   x = 108,552.99