Finding the Fourth Proportional to 6,986.72, 9,641.32 and 3,843.04

Step by Step Solution

1. Step 1: Write the proportion equation
   6,986.72 : 9,641.32 = 3,843.04 : x
2. Step 2: Convert to fraction form
   6,986.72/9,641.32 = 3,843.04/x
3. Step 3: Cross multiply
   6,986.72x = 9,641.32 × 3,843.04
4. Step 4: Simplify right side
   6,986.72x = 37,051,978.41
5. Step 5: Solve for x
   x = 37,051,978.41/6,986.72
6. Step 6: Final answer
   x = 5,303.20