Finding the Fourth Proportional to 40,002.55, 55,162.17 and 34,355.99

Step by Step Solution

1. Step 1: Write the proportion equation
   40,002.55 : 55,162.17 = 34,355.99 : x
2. Step 2: Convert to fraction form
   40,002.55/55,162.17 = 34,355.99/x
3. Step 3: Cross multiply
   40,002.55x = 55,162.17 × 34,355.99
4. Step 4: Simplify right side
   40,002.55x = 1,895,151,098.80
5. Step 5: Solve for x
   x = 1,895,151,098.80/40,002.55
6. Step 6: Final answer
   x = 47,375.76