Finding the Fourth Proportional to 2,171.52, 3,259.20 and 1,488

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171.52 : 3,259.20 = 1,488 : x
2. Step 2: Convert to fraction form
   2,171.52/3,259.20 = 1,488/x
3. Step 3: Cross multiply
   2,171.52x = 3,259.20 × 1,488
4. Step 4: Simplify right side
   2,171.52x = 4,849,689.60
5. Step 5: Solve for x
   x = 4,849,689.60/2,171.52
6. Step 6: Final answer
   x = 2,233.32