Finding the Fourth Proportional to 22,527.64, 31,085.43 and 12,454.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,527.64 : 31,085.43 = 12,454.72 : x
2. Step 2: Convert to fraction form
   22,527.64/31,085.43 = 12,454.72/x
3. Step 3: Cross multiply
   22,527.64x = 31,085.43 × 12,454.72
4. Step 4: Simplify right side
   22,527.64x = 387,160,326.73
5. Step 5: Solve for x
   x = 387,160,326.73/22,527.64
6. Step 6: Final answer
   x = 17,186.01