Finding the Fourth Proportional to 2,494.48, 3,442.61 and 1,432.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,494.48 : 3,442.61 = 1,432.38 : x
2. Step 2: Convert to fraction form
   2,494.48/3,442.61 = 1,432.38/x
3. Step 3: Cross multiply
   2,494.48x = 3,442.61 × 1,432.38
4. Step 4: Simplify right side
   2,494.48x = 4,931,142.20
5. Step 5: Solve for x
   x = 4,931,142.20/2,494.48
6. Step 6: Final answer
   x = 1,976.82