Finding the Fourth Proportional to 5,700.42, 7,866.90 and 4,022.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,700.42 : 7,866.90 = 4,022.37 : x
2. Step 2: Convert to fraction form
   5,700.42/7,866.90 = 4,022.37/x
3. Step 3: Cross multiply
   5,700.42x = 7,866.90 × 4,022.37
4. Step 4: Simplify right side
   5,700.42x = 31,643,582.55
5. Step 5: Solve for x
   x = 31,643,582.55/5,700.42
6. Step 6: Final answer
   x = 5,551.10