Finding the Fourth Proportional to 8,753.31, 12,080.61 and 5,527.83

Step by Step Solution

1. Step 1: Write the proportion equation
   8,753.31 : 12,080.61 = 5,527.83 : x
2. Step 2: Convert to fraction form
   8,753.31/12,080.61 = 5,527.83/x
3. Step 3: Cross multiply
   8,753.31x = 12,080.61 × 5,527.83
4. Step 4: Simplify right side
   8,753.31x = 66,779,558.38
5. Step 5: Solve for x
   x = 66,779,558.38/8,753.31
6. Step 6: Final answer
   x = 7,629.06