Finding the Fourth Proportional to 2,520.72, 3,478.08 and 1,458.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.72 : 3,478.08 = 1,458.24 : x
2. Step 2: Convert to fraction form
   2,520.72/3,478.08 = 1,458.24/x
3. Step 3: Cross multiply
   2,520.72x = 3,478.08 × 1,458.24
4. Step 4: Simplify right side
   2,520.72x = 5,071,875.38
5. Step 5: Solve for x
   x = 5,071,875.38/2,520.72
6. Step 6: Final answer
   x = 2,012.07