Finding the Fourth Proportional to 40,396.47, 55,732.05 and 40,334.10

Step by Step Solution

1. Step 1: Write the proportion equation
   40,396.47 : 55,732.05 = 40,334.10 : x
2. Step 2: Convert to fraction form
   40,396.47/55,732.05 = 40,334.10/x
3. Step 3: Cross multiply
   40,396.47x = 55,732.05 × 40,334.10
4. Step 4: Simplify right side
   40,396.47x = 2,247,902,077.91
5. Step 5: Solve for x
   x = 2,247,902,077.91/40,396.47
6. Step 6: Final answer
   x = 55,646.00