Finding the Fourth Proportional to 9,104.24, 12,557.55 and 5,569.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,104.24 : 12,557.55 = 5,569.20 : x
2. Step 2: Convert to fraction form
   9,104.24/12,557.55 = 5,569.20/x
3. Step 3: Cross multiply
   9,104.24x = 12,557.55 × 5,569.20
4. Step 4: Simplify right side
   9,104.24x = 69,935,507.46
5. Step 5: Solve for x
   x = 69,935,507.46/9,104.24
6. Step 6: Final answer
   x = 7,681.64