Finding the Fourth Proportional to 9,320.92, 12,862.72 and 5,545.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,320.92 : 12,862.72 = 5,545.92 : x
2. Step 2: Convert to fraction form
   9,320.92/12,862.72 = 5,545.92/x
3. Step 3: Cross multiply
   9,320.92x = 12,862.72 × 5,545.92
4. Step 4: Simplify right side
   9,320.92x = 71,335,616.10
5. Step 5: Solve for x
   x = 71,335,616.10/9,320.92
6. Step 6: Final answer
   x = 7,653.28