Finding the Fourth Proportional to 12,585.31, 17,366.31 and 7,549.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,585.31 : 17,366.31 = 7,549.73 : x
2. Step 2: Convert to fraction form
   12,585.31/17,366.31 = 7,549.73/x
3. Step 3: Cross multiply
   12,585.31x = 17,366.31 × 7,549.73
4. Step 4: Simplify right side
   12,585.31x = 131,110,951.60
5. Step 5: Solve for x
   x = 131,110,951.60/12,585.31
6. Step 6: Final answer
   x = 10,417.78