Finding the Fourth Proportional to 9,129.16, 12,595.86 and 5,401.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,129.16 : 12,595.86 = 5,401.48 : x
2. Step 2: Convert to fraction form
   9,129.16/12,595.86 = 5,401.48/x
3. Step 3: Cross multiply
   9,129.16x = 12,595.86 × 5,401.48
4. Step 4: Simplify right side
   9,129.16x = 68,036,285.87
5. Step 5: Solve for x
   x = 68,036,285.87/9,129.16
6. Step 6: Final answer
   x = 7,452.63