Finding the Fourth Proportional to 22,666.43, 31,278.96 and 12,594.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,666.43 : 31,278.96 = 12,594.69 : x
2. Step 2: Convert to fraction form
   22,666.43/31,278.96 = 12,594.69/x
3. Step 3: Cross multiply
   22,666.43x = 31,278.96 × 12,594.69
4. Step 4: Simplify right side
   22,666.43x = 393,948,804.72
5. Step 5: Solve for x
   x = 393,948,804.72/22,666.43
6. Step 6: Final answer
   x = 17,380.27