Finding the Fourth Proportional to 2,488.28, 3,432.68 and 1,491.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.28 : 3,432.68 = 1,491.83 : x
2. Step 2: Convert to fraction form
   2,488.28/3,432.68 = 1,491.83/x
3. Step 3: Cross multiply
   2,488.28x = 3,432.68 × 1,491.83
4. Step 4: Simplify right side
   2,488.28x = 5,120,976.13
5. Step 5: Solve for x
   x = 5,120,976.13/2,488.28
6. Step 6: Final answer
   x = 2,058.04