Finding the Fourth Proportional to 9,013.04, 12,435.24 and 7,124.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,013.04 : 12,435.24 = 7,124.96 : x
2. Step 2: Convert to fraction form
   9,013.04/12,435.24 = 7,124.96/x
3. Step 3: Cross multiply
   9,013.04x = 12,435.24 × 7,124.96
4. Step 4: Simplify right side
   9,013.04x = 88,600,587.59
5. Step 5: Solve for x
   x = 88,600,587.59/9,013.04
6. Step 6: Final answer
   x = 9,830.27