Finding the Fourth Proportional to 3,958.80, 5,933.34 and 2,223.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,958.80 : 5,933.34 = 2,223.78 : x
2. Step 2: Convert to fraction form
   3,958.80/5,933.34 = 2,223.78/x
3. Step 3: Cross multiply
   3,958.80x = 5,933.34 × 2,223.78
4. Step 4: Simplify right side
   3,958.80x = 13,194,442.83
5. Step 5: Solve for x
   x = 13,194,442.83/3,958.80
6. Step 6: Final answer
   x = 3,332.94