Finding the Fourth Proportional to 9,513.88, 14,269.60 and 3,966.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,513.88 : 14,269.60 = 3,966.20 : x
2. Step 2: Convert to fraction form
   9,513.88/14,269.60 = 3,966.20/x
3. Step 3: Cross multiply
   9,513.88x = 14,269.60 × 3,966.20
4. Step 4: Simplify right side
   9,513.88x = 56,596,087.52
5. Step 5: Solve for x
   x = 56,596,087.52/9,513.88
6. Step 6: Final answer
   x = 5,948.79