Finding the Fourth Proportional to 9,830.81, 14,746.12 and 3,986.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,830.81 : 14,746.12 = 3,986.03 : x
2. Step 2: Convert to fraction form
   9,830.81/14,746.12 = 3,986.03/x
3. Step 3: Cross multiply
   9,830.81x = 14,746.12 × 3,986.03
4. Step 4: Simplify right side
   9,830.81x = 58,778,383.04
5. Step 5: Solve for x
   x = 58,778,383.04/9,830.81
6. Step 6: Final answer
   x = 5,979.00