Finding the Fourth Proportional to 9,152.02, 12,629.70 and 5,173.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,152.02 : 12,629.70 = 5,173.16 : x
2. Step 2: Convert to fraction form
   9,152.02/12,629.70 = 5,173.16/x
3. Step 3: Cross multiply
   9,152.02x = 12,629.70 × 5,173.16
4. Step 4: Simplify right side
   9,152.02x = 65,335,458.85
5. Step 5: Solve for x
   x = 65,335,458.85/9,152.02
6. Step 6: Final answer
   x = 7,138.91