Finding the Fourth Proportional to 2,577.39, 3,556.74 and 1,458.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577.39 : 3,556.74 = 1,458.28 : x
2. Step 2: Convert to fraction form
   2,577.39/3,556.74 = 1,458.28/x
3. Step 3: Cross multiply
   2,577.39x = 3,556.74 × 1,458.28
4. Step 4: Simplify right side
   2,577.39x = 5,186,722.81
5. Step 5: Solve for x
   x = 5,186,722.81/2,577.39
6. Step 6: Final answer
   x = 2,012.39