Finding the Fourth Proportional to 2,577.90, 3,556.91 and 1,458.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577.90 : 3,556.91 = 1,458.59 : x
2. Step 2: Convert to fraction form
   2,577.90/3,556.91 = 1,458.59/x
3. Step 3: Cross multiply
   2,577.90x = 3,556.91 × 1,458.59
4. Step 4: Simplify right side
   2,577.90x = 5,188,094.23
5. Step 5: Solve for x
   x = 5,188,094.23/2,577.90
6. Step 6: Final answer
   x = 2,012.53