Finding the Fourth Proportional to 2,577.88, 3,557.47 and 1,458.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577.88 : 3,557.47 = 1,458.79 : x
2. Step 2: Convert to fraction form
   2,577.88/3,557.47 = 1,458.79/x
3. Step 3: Cross multiply
   2,577.88x = 3,557.47 × 1,458.79
4. Step 4: Simplify right side
   2,577.88x = 5,189,601.66
5. Step 5: Solve for x
   x = 5,189,601.66/2,577.88
6. Step 6: Final answer
   x = 2,013.13