Finding the Fourth Proportional to 9,103.04, 12,562.72 and 5,124.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,103.04 : 12,562.72 = 5,124.40 : x
2. Step 2: Convert to fraction form
   9,103.04/12,562.72 = 5,124.40/x
3. Step 3: Cross multiply
   9,103.04x = 12,562.72 × 5,124.40
4. Step 4: Simplify right side
   9,103.04x = 64,376,402.37
5. Step 5: Solve for x
   x = 64,376,402.37/9,103.04
6. Step 6: Final answer
   x = 7,071.97