Finding the Fourth Proportional to 16,864.96, 25,291.49 and 5,617.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,864.96 : 25,291.49 = 5,617.25 : x
2. Step 2: Convert to fraction form
   16,864.96/25,291.49 = 5,617.25/x
3. Step 3: Cross multiply
   16,864.96x = 25,291.49 × 5,617.25
4. Step 4: Simplify right side
   16,864.96x = 142,068,495.75
5. Step 5: Solve for x
   x = 142,068,495.75/16,864.96
6. Step 6: Final answer
   x = 8,423.89