Finding the Fourth Proportional to 72,437.22, 99,963.72 and 40,606.38

Step by Step Solution

1. Step 1: Write the proportion equation
   72,437.22 : 99,963.72 = 40,606.38 : x
2. Step 2: Convert to fraction form
   72,437.22/99,963.72 = 40,606.38/x
3. Step 3: Cross multiply
   72,437.22x = 99,963.72 × 40,606.38
4. Step 4: Simplify right side
   72,437.22x = 4,059,164,800.53
5. Step 5: Solve for x
   x = 4,059,164,800.53/72,437.22
6. Step 6: Final answer
   x = 56,037.00