Finding the Fourth Proportional to 2,383.83, 3,290.22 and 1,679.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,383.83 : 3,290.22 = 1,679.13 : x
2. Step 2: Convert to fraction form
   2,383.83/3,290.22 = 1,679.13/x
3. Step 3: Cross multiply
   2,383.83x = 3,290.22 × 1,679.13
4. Step 4: Simplify right side
   2,383.83x = 5,524,707.11
5. Step 5: Solve for x
   x = 5,524,707.11/2,383.83
6. Step 6: Final answer
   x = 2,317.58