Finding the Fourth Proportional to 9,124.28, 12,594.91 and 7,103.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,124.28 : 12,594.91 = 7,103.69 : x
2. Step 2: Convert to fraction form
   9,124.28/12,594.91 = 7,103.69/x
3. Step 3: Cross multiply
   9,124.28x = 12,594.91 × 7,103.69
4. Step 4: Simplify right side
   9,124.28x = 89,470,336.22
5. Step 5: Solve for x
   x = 89,470,336.22/9,124.28
6. Step 6: Final answer
   x = 9,805.74