Finding the Fourth Proportional to 10,135.98, 15,171.57 and 5,966.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,135.98 : 15,171.57 = 5,966.10 : x
2. Step 2: Convert to fraction form
   10,135.98/15,171.57 = 5,966.10/x
3. Step 3: Cross multiply
   10,135.98x = 15,171.57 × 5,966.10
4. Step 4: Simplify right side
   10,135.98x = 90,515,103.78
5. Step 5: Solve for x
   x = 90,515,103.78/10,135.98
6. Step 6: Final answer
   x = 8,930.08