Finding the Fourth Proportional to 9,825.35, 14,729.73 and 3,986.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,825.35 : 14,729.73 = 3,986.06 : x
2. Step 2: Convert to fraction form
   9,825.35/14,729.73 = 3,986.06/x
3. Step 3: Cross multiply
   9,825.35x = 14,729.73 × 3,986.06
4. Step 4: Simplify right side
   9,825.35x = 58,713,513.92
5. Step 5: Solve for x
   x = 58,713,513.92/9,825.35
6. Step 6: Final answer
   x = 5,975.72