Finding the Fourth Proportional to 16,315.29, 24,476.31 and 5,642.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,315.29 : 24,476.31 = 5,642.55 : x
2. Step 2: Convert to fraction form
   16,315.29/24,476.31 = 5,642.55/x
3. Step 3: Cross multiply
   16,315.29x = 24,476.31 × 5,642.55
4. Step 4: Simplify right side
   16,315.29x = 138,108,802.99
5. Step 5: Solve for x
   x = 138,108,802.99/16,315.29
6. Step 6: Final answer
   x = 8,464.99