Finding the Fourth Proportional to 2,685.52, 3,697.60 and 2,439.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,685.52 : 3,697.60 = 2,439.48 : x
2. Step 2: Convert to fraction form
   2,685.52/3,697.60 = 2,439.48/x
3. Step 3: Cross multiply
   2,685.52x = 3,697.60 × 2,439.48
4. Step 4: Simplify right side
   2,685.52x = 9,020,229.02
5. Step 5: Solve for x
   x = 9,020,229.02/2,685.52
6. Step 6: Final answer
   x = 3,358.84