Finding the Fourth Proportional to 9,104.49, 12,557.90 and 5,569.45

Step by Step Solution

1. Step 1: Write the proportion equation
   9,104.49 : 12,557.90 = 5,569.45 : x
2. Step 2: Convert to fraction form
   9,104.49/12,557.90 = 5,569.45/x
3. Step 3: Cross multiply
   9,104.49x = 12,557.90 × 5,569.45
4. Step 4: Simplify right side
   9,104.49x = 69,940,596.16
5. Step 5: Solve for x
   x = 69,940,596.16/9,104.49
6. Step 6: Final answer
   x = 7,681.99