Finding the Fourth Proportional to 72,429.09, 99,952 and 40,597.98

Step by Step Solution

1. Step 1: Write the proportion equation
   72,429.09 : 99,952 = 40,597.98 : x
2. Step 2: Convert to fraction form
   72,429.09/99,952 = 40,597.98/x
3. Step 3: Cross multiply
   72,429.09x = 99,952 × 40,597.98
4. Step 4: Simplify right side
   72,429.09x = 4,057,849,296.96
5. Step 5: Solve for x
   x = 4,057,849,296.96/72,429.09
6. Step 6: Final answer
   x = 56,025.13