Finding the Fourth Proportional to 22,142.16, 30,557.70 and 13,532.04

Step by Step Solution

1. Step 1: Write the proportion equation
   22,142.16 : 30,557.70 = 13,532.04 : x
2. Step 2: Convert to fraction form
   22,142.16/30,557.70 = 13,532.04/x
3. Step 3: Cross multiply
   22,142.16x = 30,557.70 × 13,532.04
4. Step 4: Simplify right side
   22,142.16x = 413,508,018.71
5. Step 5: Solve for x
   x = 413,508,018.71/22,142.16
6. Step 6: Final answer
   x = 18,675.14