Finding the Fourth Proportional to 2,488.07, 3,432.39 and 1,491.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.07 : 3,432.39 = 1,491.62 : x
2. Step 2: Convert to fraction form
   2,488.07/3,432.39 = 1,491.62/x
3. Step 3: Cross multiply
   2,488.07x = 3,432.39 × 1,491.62
4. Step 4: Simplify right side
   2,488.07x = 5,119,815.39
5. Step 5: Solve for x
   x = 5,119,815.39/2,488.07
6. Step 6: Final answer
   x = 2,057.74