Finding the Fourth Proportional to 72,061.92, 99,441.27 and 40,232.82

Step by Step Solution

1. Step 1: Write the proportion equation
   72,061.92 : 99,441.27 = 40,232.82 : x
2. Step 2: Convert to fraction form
   72,061.92/99,441.27 = 40,232.82/x
3. Step 3: Cross multiply
   72,061.92x = 99,441.27 × 40,232.82
4. Step 4: Simplify right side
   72,061.92x = 4,000,802,716.48
5. Step 5: Solve for x
   x = 4,000,802,716.48/72,061.92
6. Step 6: Final answer
   x = 55,518.96