Finding the Fourth Proportional to 2,590.88, 3,577.52 and 2,112.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.88 : 3,577.52 = 2,112.41 : x
2. Step 2: Convert to fraction form
   2,590.88/3,577.52 = 2,112.41/x
3. Step 3: Cross multiply
   2,590.88x = 3,577.52 × 2,112.41
4. Step 4: Simplify right side
   2,590.88x = 7,557,160.57
5. Step 5: Solve for x
   x = 7,557,160.57/2,590.88
6. Step 6: Final answer
   x = 2,916.84