Finding the Fourth Proportional to 2,577.57, 3,557.07 and 1,458.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577.57 : 3,557.07 = 1,458.51 : x
2. Step 2: Convert to fraction form
   2,577.57/3,557.07 = 1,458.51/x
3. Step 3: Cross multiply
   2,577.57x = 3,557.07 × 1,458.51
4. Step 4: Simplify right side
   2,577.57x = 5,188,022.17
5. Step 5: Solve for x
   x = 5,188,022.17/2,577.57
6. Step 6: Final answer
   x = 2,012.76