Finding the Fourth Proportional to 5,651.10, 8,479.89 and 2,531.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,651.10 : 8,479.89 = 2,531.25 : x
2. Step 2: Convert to fraction form
   5,651.10/8,479.89 = 2,531.25/x
3. Step 3: Cross multiply
   5,651.10x = 8,479.89 × 2,531.25
4. Step 4: Simplify right side
   5,651.10x = 21,464,721.56
5. Step 5: Solve for x
   x = 21,464,721.56/5,651.10
6. Step 6: Final answer
   x = 3,798.33