Finding the Fourth Proportional to 2,520.47, 3,479.15 and 1,458.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.47 : 3,479.15 = 1,458.71 : x
2. Step 2: Convert to fraction form
   2,520.47/3,479.15 = 1,458.71/x
3. Step 3: Cross multiply
   2,520.47x = 3,479.15 × 1,458.71
4. Step 4: Simplify right side
   2,520.47x = 5,075,065.42
5. Step 5: Solve for x
   x = 5,075,065.42/2,520.47
6. Step 6: Final answer
   x = 2,013.54