Finding the Fourth Proportional to 2,520.12, 3,478.32 and 1,458.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.12 : 3,478.32 = 1,458.62 : x
2. Step 2: Convert to fraction form
   2,520.12/3,478.32 = 1,458.62/x
3. Step 3: Cross multiply
   2,520.12x = 3,478.32 × 1,458.62
4. Step 4: Simplify right side
   2,520.12x = 5,073,529.73
5. Step 5: Solve for x
   x = 5,073,529.73/2,520.12
6. Step 6: Final answer
   x = 2,013.21