Finding the Fourth Proportional to 22,566.96, 31,142.60 and 12,630.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,566.96 : 31,142.60 = 12,630.96 : x
2. Step 2: Convert to fraction form
   22,566.96/31,142.60 = 12,630.96/x
3. Step 3: Cross multiply
   22,566.96x = 31,142.60 × 12,630.96
4. Step 4: Simplify right side
   22,566.96x = 393,360,934.90
5. Step 5: Solve for x
   x = 393,360,934.90/22,566.96
6. Step 6: Final answer
   x = 17,430.83