Finding the Fourth Proportional to 5,701.72, 8,555.28 and 3,949.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,701.72 : 8,555.28 = 3,949.42 : x
2. Step 2: Convert to fraction form
   5,701.72/8,555.28 = 3,949.42/x
3. Step 3: Cross multiply
   5,701.72x = 8,555.28 × 3,949.42
4. Step 4: Simplify right side
   5,701.72x = 33,788,393.94
5. Step 5: Solve for x
   x = 33,788,393.94/5,701.72
6. Step 6: Final answer
   x = 5,926.00