Finding the Fourth Proportional to 22,863.60, 31,534.82 and 16,142.22

Step by Step Solution

1. Step 1: Write the proportion equation
   22,863.60 : 31,534.82 = 16,142.22 : x
2. Step 2: Convert to fraction form
   22,863.60/31,534.82 = 16,142.22/x
3. Step 3: Cross multiply
   22,863.60x = 31,534.82 × 16,142.22
4. Step 4: Simplify right side
   22,863.60x = 509,041,981.92
5. Step 5: Solve for x
   x = 509,041,981.92/22,863.60
6. Step 6: Final answer
   x = 22,264.30