Finding the Fourth Proportional to 72,262.27, 99,726.83 and 40,434.13

Step by Step Solution

1. Step 1: Write the proportion equation
   72,262.27 : 99,726.83 = 40,434.13 : x
2. Step 2: Convert to fraction form
   72,262.27/99,726.83 = 40,434.13/x
3. Step 3: Cross multiply
   72,262.27x = 99,726.83 × 40,434.13
4. Step 4: Simplify right side
   72,262.27x = 4,032,367,608.71
5. Step 5: Solve for x
   x = 4,032,367,608.71/72,262.27
6. Step 6: Final answer
   x = 55,801.84