Finding the Fourth Proportional to 9,102.72, 12,566.88 and 5,568

Step by Step Solution

1. Step 1: Write the proportion equation
   9,102.72 : 12,566.88 = 5,568 : x
2. Step 2: Convert to fraction form
   9,102.72/12,566.88 = 5,568/x
3. Step 3: Cross multiply
   9,102.72x = 12,566.88 × 5,568
4. Step 4: Simplify right side
   9,102.72x = 69,972,387.84
5. Step 5: Solve for x
   x = 69,972,387.84/9,102.72
6. Step 6: Final answer
   x = 7,686.98