Finding the Fourth Proportional to 22,662.80, 31,275.06 and 12,592.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,662.80 : 31,275.06 = 12,592.16 : x
2. Step 2: Convert to fraction form
   22,662.80/31,275.06 = 12,592.16/x
3. Step 3: Cross multiply
   22,662.80x = 31,275.06 × 12,592.16
4. Step 4: Simplify right side
   22,662.80x = 393,820,559.53
5. Step 5: Solve for x
   x = 393,820,559.53/22,662.80
6. Step 6: Final answer
   x = 17,377.40