Finding the Fourth Proportional to 3,986.82, 5,502.06 and 2,308.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,986.82 : 5,502.06 = 2,308.59 : x
2. Step 2: Convert to fraction form
   3,986.82/5,502.06 = 2,308.59/x
3. Step 3: Cross multiply
   3,986.82x = 5,502.06 × 2,308.59
4. Step 4: Simplify right side
   3,986.82x = 12,702,000.70
5. Step 5: Solve for x
   x = 12,702,000.70/3,986.82
6. Step 6: Final answer
   x = 3,186.00