Finding the Fourth Proportional to 2,520.47, 3,478.52 and 1,458.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.47 : 3,478.52 = 1,458.49 : x
2. Step 2: Convert to fraction form
   2,520.47/3,478.52 = 1,458.49/x
3. Step 3: Cross multiply
   2,520.47x = 3,478.52 × 1,458.49
4. Step 4: Simplify right side
   2,520.47x = 5,073,386.63
5. Step 5: Solve for x
   x = 5,073,386.63/2,520.47
6. Step 6: Final answer
   x = 2,012.87