Finding the Fourth Proportional to 3,619.69, 5,419.20 and 2,383.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,619.69 : 5,419.20 = 2,383.32 : x
2. Step 2: Convert to fraction form
   3,619.69/5,419.20 = 2,383.32/x
3. Step 3: Cross multiply
   3,619.69x = 5,419.20 × 2,383.32
4. Step 4: Simplify right side
   3,619.69x = 12,915,717.00
5. Step 5: Solve for x
   x = 12,915,717.00/3,619.69
6. Step 6: Final answer
   x = 3,568.19