Finding the Fourth Proportional to 8,753.60, 12,081.92 and 5,566.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,753.60 : 12,081.92 = 5,566.28 : x
2. Step 2: Convert to fraction form
   8,753.60/12,081.92 = 5,566.28/x
3. Step 3: Cross multiply
   8,753.60x = 12,081.92 × 5,566.28
4. Step 4: Simplify right side
   8,753.60x = 67,251,261.42
5. Step 5: Solve for x
   x = 67,251,261.42/8,753.60
6. Step 6: Final answer
   x = 7,682.70