Finding the Fourth Proportional to 9,103.20, 12,562.14 and 5,124.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,103.20 : 12,562.14 = 5,124.52 : x
2. Step 2: Convert to fraction form
   9,103.20/12,562.14 = 5,124.52/x
3. Step 3: Cross multiply
   9,103.20x = 12,562.14 × 5,124.52
4. Step 4: Simplify right side
   9,103.20x = 64,374,937.67
5. Step 5: Solve for x
   x = 64,374,937.67/9,103.20
6. Step 6: Final answer
   x = 7,071.68