Finding the Fourth Proportional to 5,648.46, 8,475.58 and 2,690.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,648.46 : 8,475.58 = 2,690.25 : x
2. Step 2: Convert to fraction form
   5,648.46/8,475.58 = 2,690.25/x
3. Step 3: Cross multiply
   5,648.46x = 8,475.58 × 2,690.25
4. Step 4: Simplify right side
   5,648.46x = 22,801,429.10
5. Step 5: Solve for x
   x = 22,801,429.10/5,648.46
6. Step 6: Final answer
   x = 4,036.75