Finding the Fourth Proportional to 9,665.20, 14,498.34 and 2,740.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,665.20 : 14,498.34 = 2,740.24 : x
2. Step 2: Convert to fraction form
   9,665.20/14,498.34 = 2,740.24/x
3. Step 3: Cross multiply
   9,665.20x = 14,498.34 × 2,740.24
4. Step 4: Simplify right side
   9,665.20x = 39,728,931.20
5. Step 5: Solve for x
   x = 39,728,931.20/9,665.20
6. Step 6: Final answer
   x = 4,110.51