Finding the Fourth Proportional to 2,520.58, 3,478.33 and 1,458.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.58 : 3,478.33 = 1,458.32 : x
2. Step 2: Convert to fraction form
   2,520.58/3,478.33 = 1,458.32/x
3. Step 3: Cross multiply
   2,520.58x = 3,478.33 × 1,458.32
4. Step 4: Simplify right side
   2,520.58x = 5,072,510.91
5. Step 5: Solve for x
   x = 5,072,510.91/2,520.58
6. Step 6: Final answer
   x = 2,012.44