Finding the Fourth Proportional to 6,198.72, 8,555.82 and 3,842.88

Step by Step Solution

1. Step 1: Write the proportion equation
   6,198.72 : 8,555.82 = 3,842.88 : x
2. Step 2: Convert to fraction form
   6,198.72/8,555.82 = 3,842.88/x
3. Step 3: Cross multiply
   6,198.72x = 8,555.82 × 3,842.88
4. Step 4: Simplify right side
   6,198.72x = 32,878,989.56
5. Step 5: Solve for x
   x = 32,878,989.56/6,198.72
6. Step 6: Final answer
   x = 5,304.16