Finding the Fourth Proportional to 2,659.52, 3,989.27 and 1,488.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,659.52 : 3,989.27 = 1,488.86 : x
2. Step 2: Convert to fraction form
   2,659.52/3,989.27 = 1,488.86/x
3. Step 3: Cross multiply
   2,659.52x = 3,989.27 × 1,488.86
4. Step 4: Simplify right side
   2,659.52x = 5,939,464.53
5. Step 5: Solve for x
   x = 5,939,464.53/2,659.52
6. Step 6: Final answer
   x = 2,233.28