Finding the Fourth Proportional to 2,577.35, 3,556.77 and 1,458.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577.35 : 3,556.77 = 1,458.30 : x
2. Step 2: Convert to fraction form
   2,577.35/3,556.77 = 1,458.30/x
3. Step 3: Cross multiply
   2,577.35x = 3,556.77 × 1,458.30
4. Step 4: Simplify right side
   2,577.35x = 5,186,837.69
5. Step 5: Solve for x
   x = 5,186,837.69/2,577.35
6. Step 6: Final answer
   x = 2,012.47