Finding the Fourth Proportional to 2,720.54, 4,081.34 and 965.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,720.54 : 4,081.34 = 965.62 : x
2. Step 2: Convert to fraction form
   2,720.54/4,081.34 = 965.62/x
3. Step 3: Cross multiply
   2,720.54x = 4,081.34 × 965.62
4. Step 4: Simplify right side
   2,720.54x = 3,941,025.61
5. Step 5: Solve for x
   x = 3,941,025.61/2,720.54
6. Step 6: Final answer
   x = 1,448.62