Finding the Fourth Proportional to 3,908.00, 5,862.03 and 986.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,908.00 : 5,862.03 = 986.30 : x
2. Step 2: Convert to fraction form
   3,908.00/5,862.03 = 986.30/x
3. Step 3: Cross multiply
   3,908.00x = 5,862.03 × 986.30
4. Step 4: Simplify right side
   3,908.00x = 5,781,690.88
5. Step 5: Solve for x
   x = 5,781,690.88/3,908.00
6. Step 6: Final answer
   x = 1,479.45