Finding the Fourth Proportional to 3,993.28, 5,980.69 and 3,854.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,993.28 : 5,980.69 = 3,854.88 : x
2. Step 2: Convert to fraction form
   3,993.28/5,980.69 = 3,854.88/x
3. Step 3: Cross multiply
   3,993.28x = 5,980.69 × 3,854.88
4. Step 4: Simplify right side
   3,993.28x = 23,054,835.92
5. Step 5: Solve for x
   x = 23,054,835.92/3,993.28
6. Step 6: Final answer
   x = 5,773.41