Finding the Fourth Proportional to 12,932.43, 17,853.54 and 8,705.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,932.43 : 17,853.54 = 8,705.73 : x
2. Step 2: Convert to fraction form
   12,932.43/17,853.54 = 8,705.73/x
3. Step 3: Cross multiply
   12,932.43x = 17,853.54 × 8,705.73
4. Step 4: Simplify right side
   12,932.43x = 155,428,098.78
5. Step 5: Solve for x
   x = 155,428,098.78/12,932.43
6. Step 6: Final answer
   x = 12,018.48