Finding the Fourth Proportional to 9,129.52, 12,598.76 and 5,150.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,129.52 : 12,598.76 = 5,150.48 : x
2. Step 2: Convert to fraction form
   9,129.52/12,598.76 = 5,150.48/x
3. Step 3: Cross multiply
   9,129.52x = 12,598.76 × 5,150.48
4. Step 4: Simplify right side
   9,129.52x = 64,889,661.40
5. Step 5: Solve for x
   x = 64,889,661.40/9,129.52
6. Step 6: Final answer
   x = 7,107.68