Finding the Fourth Proportional to 72,393.46, 99,902.01 and 40,562.98

Step by Step Solution

1. Step 1: Write the proportion equation
   72,393.46 : 99,902.01 = 40,562.98 : x
2. Step 2: Convert to fraction form
   72,393.46/99,902.01 = 40,562.98/x
3. Step 3: Cross multiply
   72,393.46x = 99,902.01 × 40,562.98
4. Step 4: Simplify right side
   72,393.46x = 4,052,323,233.59
5. Step 5: Solve for x
   x = 4,052,323,233.59/72,393.46
6. Step 6: Final answer
   x = 55,976.37