Finding the Fourth Proportional to 9,151.99, 12,629.72 and 4,960.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,151.99 : 12,629.72 = 4,960.24 : x
2. Step 2: Convert to fraction form
   9,151.99/12,629.72 = 4,960.24/x
3. Step 3: Cross multiply
   9,151.99x = 12,629.72 × 4,960.24
4. Step 4: Simplify right side
   9,151.99x = 62,646,423.16
5. Step 5: Solve for x
   x = 62,646,423.16/9,151.99
6. Step 6: Final answer
   x = 6,845.12