Finding the Fourth Proportional to 3,993.32, 5,980.82 and 1,914.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,993.32 : 5,980.82 = 1,914.79 : x
2. Step 2: Convert to fraction form
   3,993.32/5,980.82 = 1,914.79/x
3. Step 3: Cross multiply
   3,993.32x = 5,980.82 × 1,914.79
4. Step 4: Simplify right side
   3,993.32x = 11,452,014.33
5. Step 5: Solve for x
   x = 11,452,014.33/3,993.32
6. Step 6: Final answer
   x = 2,867.79