Finding the Fourth Proportional to 2,577.95, 3,557.36 and 1,458.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577.95 : 3,557.36 = 1,458.63 : x
2. Step 2: Convert to fraction form
   2,577.95/3,557.36 = 1,458.63/x
3. Step 3: Cross multiply
   2,577.95x = 3,557.36 × 1,458.63
4. Step 4: Simplify right side
   2,577.95x = 5,188,864.72
5. Step 5: Solve for x
   x = 5,188,864.72/2,577.95
6. Step 6: Final answer
   x = 2,012.79