Finding the Fourth Proportional to 5,985.97, 8,258.18 and 3,861.05

Step by Step Solution

1. Step 1: Write the proportion equation
   5,985.97 : 8,258.18 = 3,861.05 : x
2. Step 2: Convert to fraction form
   5,985.97/8,258.18 = 3,861.05/x
3. Step 3: Cross multiply
   5,985.97x = 8,258.18 × 3,861.05
4. Step 4: Simplify right side
   5,985.97x = 31,885,185.29
5. Step 5: Solve for x
   x = 31,885,185.29/5,985.97
6. Step 6: Final answer
   x = 5,326.66