Finding the Fourth Proportional to 9,149.69, 12,626.03 and 5,170.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,149.69 : 12,626.03 = 5,170.86 : x
2. Step 2: Convert to fraction form
   9,149.69/12,626.03 = 5,170.86/x
3. Step 3: Cross multiply
   9,149.69x = 12,626.03 × 5,170.86
4. Step 4: Simplify right side
   9,149.69x = 65,287,446.41
5. Step 5: Solve for x
   x = 65,287,446.41/9,149.69
6. Step 6: Final answer
   x = 7,135.48