Finding the Fourth Proportional to 72,396.02, 99,896.37 and 40,562.42

Step by Step Solution

1. Step 1: Write the proportion equation
   72,396.02 : 99,896.37 = 40,562.42 : x
2. Step 2: Convert to fraction form
   72,396.02/99,896.37 = 40,562.42/x
3. Step 3: Cross multiply
   72,396.02x = 99,896.37 × 40,562.42
4. Step 4: Simplify right side
   72,396.02x = 4,052,038,516.42
5. Step 5: Solve for x
   x = 4,052,038,516.42/72,396.02
6. Step 6: Final answer
   x = 55,970.46