Finding the Fourth Proportional to 17,622.62, 26,382.72 and 13,715.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,622.62 : 26,382.72 = 13,715.18 : x
2. Step 2: Convert to fraction form
   17,622.62/26,382.72 = 13,715.18/x
3. Step 3: Cross multiply
   17,622.62x = 26,382.72 × 13,715.18
4. Step 4: Simplify right side
   17,622.62x = 361,843,753.69
5. Step 5: Solve for x
   x = 361,843,753.69/17,622.62
6. Step 6: Final answer
   x = 20,532.91