Finding the Fourth Proportional to 9,113.52, 12,576.16 and 5,134.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,113.52 : 12,576.16 = 5,134.52 : x
2. Step 2: Convert to fraction form
   9,113.52/12,576.16 = 5,134.52/x
3. Step 3: Cross multiply
   9,113.52x = 12,576.16 × 5,134.52
4. Step 4: Simplify right side
   9,113.52x = 64,572,545.04
5. Step 5: Solve for x
   x = 64,572,545.04/9,113.52
6. Step 6: Final answer
   x = 7,085.36