Finding the Fourth Proportional to 2,577.62, 3,557.13 and 1,458.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577.62 : 3,557.13 = 1,458.56 : x
2. Step 2: Convert to fraction form
   2,577.62/3,557.13 = 1,458.56/x
3. Step 3: Cross multiply
   2,577.62x = 3,557.13 × 1,458.56
4. Step 4: Simplify right side
   2,577.62x = 5,188,287.53
5. Step 5: Solve for x
   x = 5,188,287.53/2,577.62
6. Step 6: Final answer
   x = 2,012.82