Finding the Fourth Proportional to 2,590.88, 3,884.50 and 1,291.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.88 : 3,884.50 = 1,291.44 : x
2. Step 2: Convert to fraction form
   2,590.88/3,884.50 = 1,291.44/x
3. Step 3: Cross multiply
   2,590.88x = 3,884.50 × 1,291.44
4. Step 4: Simplify right side
   2,590.88x = 5,016,592.22
5. Step 5: Solve for x
   x = 5,016,592.22/2,590.88
6. Step 6: Final answer
   x = 1,936.25