Finding the Fourth Proportional to 12,124.76, 16,726.52 and 7,875.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,124.76 : 16,726.52 = 7,875.52 : x
2. Step 2: Convert to fraction form
   12,124.76/16,726.52 = 7,875.52/x
3. Step 3: Cross multiply
   12,124.76x = 16,726.52 × 7,875.52
4. Step 4: Simplify right side
   12,124.76x = 131,730,042.79
5. Step 5: Solve for x
   x = 131,730,042.79/12,124.76
6. Step 6: Final answer
   x = 10,864.55