Finding the Fourth Proportional to 72,062.24, 99,444.22 and 40,234.10

Step by Step Solution

1. Step 1: Write the proportion equation
   72,062.24 : 99,444.22 = 40,234.10 : x
2. Step 2: Convert to fraction form
   72,062.24/99,444.22 = 40,234.10/x
3. Step 3: Cross multiply
   72,062.24x = 99,444.22 × 40,234.10
4. Step 4: Simplify right side
   72,062.24x = 4,001,048,691.90
5. Step 5: Solve for x
   x = 4,001,048,691.90/72,062.24
6. Step 6: Final answer
   x = 55,522.12