Finding the Fourth Proportional to 3,859.25, 5,326.04 and 2,180.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,859.25 : 5,326.04 = 2,180.82 : x
2. Step 2: Convert to fraction form
   3,859.25/5,326.04 = 2,180.82/x
3. Step 3: Cross multiply
   3,859.25x = 5,326.04 × 2,180.82
4. Step 4: Simplify right side
   3,859.25x = 11,615,147.71
5. Step 5: Solve for x
   x = 11,615,147.71/3,859.25
6. Step 6: Final answer
   x = 3,009.69