Finding the Fourth Proportional to 9,104.87, 12,562.49 and 5,566.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,104.87 : 12,562.49 = 5,566.79 : x
2. Step 2: Convert to fraction form
   9,104.87/12,562.49 = 5,566.79/x
3. Step 3: Cross multiply
   9,104.87x = 12,562.49 × 5,566.79
4. Step 4: Simplify right side
   9,104.87x = 69,932,715.87
5. Step 5: Solve for x
   x = 69,932,715.87/9,104.87
6. Step 6: Final answer
   x = 7,680.80