Finding the Fourth Proportional to 9,150.38, 12,627.35 and 5,171.41

Step by Step Solution

1. Step 1: Write the proportion equation
   9,150.38 : 12,627.35 = 5,171.41 : x
2. Step 2: Convert to fraction form
   9,150.38/12,627.35 = 5,171.41/x
3. Step 3: Cross multiply
   9,150.38x = 12,627.35 × 5,171.41
4. Step 4: Simplify right side
   9,150.38x = 65,301,140.93
5. Step 5: Solve for x
   x = 65,301,140.93/9,150.38
6. Step 6: Final answer
   x = 7,136.44