Finding the Fourth Proportional to 5,982.31, 8,259.30 and 3,858.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,982.31 : 8,259.30 = 3,858.88 : x
2. Step 2: Convert to fraction form
   5,982.31/8,259.30 = 3,858.88/x
3. Step 3: Cross multiply
   5,982.31x = 8,259.30 × 3,858.88
4. Step 4: Simplify right side
   5,982.31x = 31,871,647.58
5. Step 5: Solve for x
   x = 31,871,647.58/5,982.31
6. Step 6: Final answer
   x = 5,327.65