Finding the Fourth Proportional to 3,256.89, 4,490.28 and 2,075.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,256.89 : 4,490.28 = 2,075.91 : x
2. Step 2: Convert to fraction form
   3,256.89/4,490.28 = 2,075.91/x
3. Step 3: Cross multiply
   3,256.89x = 4,490.28 × 2,075.91
4. Step 4: Simplify right side
   3,256.89x = 9,321,417.15
5. Step 5: Solve for x
   x = 9,321,417.15/3,256.89
6. Step 6: Final answer
   x = 2,862.06