Finding the Fourth Proportional to 9,126.24, 12,594.15 and 5,147.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,126.24 : 12,594.15 = 5,147.39 : x
2. Step 2: Convert to fraction form
   9,126.24/12,594.15 = 5,147.39/x
3. Step 3: Cross multiply
   9,126.24x = 12,594.15 × 5,147.39
4. Step 4: Simplify right side
   9,126.24x = 64,826,938.80
5. Step 5: Solve for x
   x = 64,826,938.80/9,126.24
6. Step 6: Final answer
   x = 7,103.36