Finding the Fourth Proportional to 6,638.38, 9,162.17 and 3,843.88

Step by Step Solution

1. Step 1: Write the proportion equation
   6,638.38 : 9,162.17 = 3,843.88 : x
2. Step 2: Convert to fraction form
   6,638.38/9,162.17 = 3,843.88/x
3. Step 3: Cross multiply
   6,638.38x = 9,162.17 × 3,843.88
4. Step 4: Simplify right side
   6,638.38x = 35,218,282.02
5. Step 5: Solve for x
   x = 35,218,282.02/6,638.38
6. Step 6: Final answer
   x = 5,305.25