Finding the Fourth Proportional to 9,103.92, 12,562.04 and 5,124.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,103.92 : 12,562.04 = 5,124.80 : x
2. Step 2: Convert to fraction form
   9,103.92/12,562.04 = 5,124.80/x
3. Step 3: Cross multiply
   9,103.92x = 12,562.04 × 5,124.80
4. Step 4: Simplify right side
   9,103.92x = 64,377,942.59
5. Step 5: Solve for x
   x = 64,377,942.59/9,103.92
6. Step 6: Final answer
   x = 7,071.45