Finding the Fourth Proportional to 5,722.55, 7,899.83 and 4,306.79

Step by Step Solution

1. Step 1: Write the proportion equation
   5,722.55 : 7,899.83 = 4,306.79 : x
2. Step 2: Convert to fraction form
   5,722.55/7,899.83 = 4,306.79/x
3. Step 3: Cross multiply
   5,722.55x = 7,899.83 × 4,306.79
4. Step 4: Simplify right side
   5,722.55x = 34,022,887.31
5. Step 5: Solve for x
   x = 34,022,887.31/5,722.55
6. Step 6: Final answer
   x = 5,945.41