Finding the Fourth Proportional to 9,149.02, 12,625.56 and 5,170.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,149.02 : 12,625.56 = 5,170.15 : x
2. Step 2: Convert to fraction form
   9,149.02/12,625.56 = 5,170.15/x
3. Step 3: Cross multiply
   9,149.02x = 12,625.56 × 5,170.15
4. Step 4: Simplify right side
   9,149.02x = 65,276,039.03
5. Step 5: Solve for x
   x = 65,276,039.03/9,149.02
6. Step 6: Final answer
   x = 7,134.76