Finding the Fourth Proportional to 2,577.77, 3,557.49 and 1,458.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577.77 : 3,557.49 = 1,458.71 : x
2. Step 2: Convert to fraction form
   2,577.77/3,557.49 = 1,458.71/x
3. Step 3: Cross multiply
   2,577.77x = 3,557.49 × 1,458.71
4. Step 4: Simplify right side
   2,577.77x = 5,189,328.45
5. Step 5: Solve for x
   x = 5,189,328.45/2,577.77
6. Step 6: Final answer
   x = 2,013.11