Finding the Fourth Proportional to 12,728.86, 17,586.94 and 10,060.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,728.86 : 17,586.94 = 10,060.52 : x
2. Step 2: Convert to fraction form
   12,728.86/17,586.94 = 10,060.52/x
3. Step 3: Cross multiply
   12,728.86x = 17,586.94 × 10,060.52
4. Step 4: Simplify right side
   12,728.86x = 176,933,761.61
5. Step 5: Solve for x
   x = 176,933,761.61/12,728.86
6. Step 6: Final answer
   x = 13,900.20