Finding the Fourth Proportional to 3,859.75, 5,789.91 and 1,551.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,859.75 : 5,789.91 = 1,551.25 : x
2. Step 2: Convert to fraction form
   3,859.75/5,789.91 = 1,551.25/x
3. Step 3: Cross multiply
   3,859.75x = 5,789.91 × 1,551.25
4. Step 4: Simplify right side
   3,859.75x = 8,981,597.89
5. Step 5: Solve for x
   x = 8,981,597.89/3,859.75
6. Step 6: Final answer
   x = 2,326.99