Finding the Fourth Proportional to 2,577.38, 3,555.48 and 1,631.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577.38 : 3,555.48 = 1,631.59 : x
2. Step 2: Convert to fraction form
   2,577.38/3,555.48 = 1,631.59/x
3. Step 3: Cross multiply
   2,577.38x = 3,555.48 × 1,631.59
4. Step 4: Simplify right side
   2,577.38x = 5,801,085.61
5. Step 5: Solve for x
   x = 5,801,085.61/2,577.38
6. Step 6: Final answer
   x = 2,250.77