Finding the Fourth Proportional to 2,577.81, 3,557.70 and 1,458.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577.81 : 3,557.70 = 1,458.81 : x
2. Step 2: Convert to fraction form
   2,577.81/3,557.70 = 1,458.81/x
3. Step 3: Cross multiply
   2,577.81x = 3,557.70 × 1,458.81
4. Step 4: Simplify right side
   2,577.81x = 5,190,008.34
5. Step 5: Solve for x
   x = 5,190,008.34/2,577.81
6. Step 6: Final answer
   x = 2,013.34