Finding the Fourth Proportional to 2,520.43, 3,478.94 and 1,472.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.43 : 3,478.94 = 1,472.74 : x
2. Step 2: Convert to fraction form
   2,520.43/3,478.94 = 1,472.74/x
3. Step 3: Cross multiply
   2,520.43x = 3,478.94 × 1,472.74
4. Step 4: Simplify right side
   2,520.43x = 5,123,574.10
5. Step 5: Solve for x
   x = 5,123,574.10/2,520.43
6. Step 6: Final answer
   x = 2,032.82