Finding the Fourth Proportional to 8,387.32, 12,561.54 and 8,095.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,387.32 : 12,561.54 = 8,095.72 : x
2. Step 2: Convert to fraction form
   8,387.32/12,561.54 = 8,095.72/x
3. Step 3: Cross multiply
   8,387.32x = 12,561.54 × 8,095.72
4. Step 4: Simplify right side
   8,387.32x = 101,694,710.61
5. Step 5: Solve for x
   x = 101,694,710.61/8,387.32
6. Step 6: Final answer
   x = 12,124.82