Finding the Fourth Proportional to 8,753.85, 12,080.55 and 5,351.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,753.85 : 12,080.55 = 5,351.42 : x
2. Step 2: Convert to fraction form
   8,753.85/12,080.55 = 5,351.42/x
3. Step 3: Cross multiply
   8,753.85x = 12,080.55 × 5,351.42
4. Step 4: Simplify right side
   8,753.85x = 64,648,036.48
5. Step 5: Solve for x
   x = 64,648,036.48/8,753.85
6. Step 6: Final answer
   x = 7,385.10