Finding the Fourth Proportional to 2,520.17, 3,478.01 and 1,458.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.17 : 3,478.01 = 1,458.13 : x
2. Step 2: Convert to fraction form
   2,520.17/3,478.01 = 1,458.13/x
3. Step 3: Cross multiply
   2,520.17x = 3,478.01 × 1,458.13
4. Step 4: Simplify right side
   2,520.17x = 5,071,390.72
5. Step 5: Solve for x
   x = 5,071,390.72/2,520.17
6. Step 6: Final answer
   x = 2,012.32