Finding the Fourth Proportional to 2,480.47, 3,423.56 and 1,432.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,480.47 : 3,423.56 = 1,432.39 : x
2. Step 2: Convert to fraction form
   2,480.47/3,423.56 = 1,432.39/x
3. Step 3: Cross multiply
   2,480.47x = 3,423.56 × 1,432.39
4. Step 4: Simplify right side
   2,480.47x = 4,903,865.95
5. Step 5: Solve for x
   x = 4,903,865.95/2,480.47
6. Step 6: Final answer
   x = 1,976.99