Finding the Fourth Proportional to 5,700.72, 8,553.78 and 3,948.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,700.72 : 8,553.78 = 3,948.42 : x
2. Step 2: Convert to fraction form
   5,700.72/8,553.78 = 3,948.42/x
3. Step 3: Cross multiply
   5,700.72x = 8,553.78 × 3,948.42
4. Step 4: Simplify right side
   5,700.72x = 33,773,916.03
5. Step 5: Solve for x
   x = 33,773,916.03/5,700.72
6. Step 6: Final answer
   x = 5,924.50