Finding the Fourth Proportional to 9,151.92, 12,629.88 and 5,617.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,151.92 : 12,629.88 = 5,617.08 : x
2. Step 2: Convert to fraction form
   9,151.92/12,629.88 = 5,617.08/x
3. Step 3: Cross multiply
   9,151.92x = 12,629.88 × 5,617.08
4. Step 4: Simplify right side
   9,151.92x = 70,943,046.35
5. Step 5: Solve for x
   x = 70,943,046.35/9,151.92
6. Step 6: Final answer
   x = 7,751.71