Finding the Fourth Proportional to 17,155.72, 25,618.98 and 14,664.52

Step by Step Solution

1. Step 1: Write the proportion equation
   17,155.72 : 25,618.98 = 14,664.52 : x
2. Step 2: Convert to fraction form
   17,155.72/25,618.98 = 14,664.52/x
3. Step 3: Cross multiply
   17,155.72x = 25,618.98 × 14,664.52
4. Step 4: Simplify right side
   17,155.72x = 375,690,044.59
5. Step 5: Solve for x
   x = 375,690,044.59/17,155.72
6. Step 6: Final answer
   x = 21,898.82