Finding the Fourth Proportional to 72,098.52, 99,494.92 and 40,267.88

Step by Step Solution

1. Step 1: Write the proportion equation
   72,098.52 : 99,494.92 = 40,267.88 : x
2. Step 2: Convert to fraction form
   72,098.52/99,494.92 = 40,267.88/x
3. Step 3: Cross multiply
   72,098.52x = 99,494.92 × 40,267.88
4. Step 4: Simplify right side
   72,098.52x = 4,006,449,499.17
5. Step 5: Solve for x
   x = 4,006,449,499.17/72,098.52
6. Step 6: Final answer
   x = 55,569.09