Finding the Fourth Proportional to 2,169.69, 2,994.62 and 1,383.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,169.69 : 2,994.62 = 1,383.59 : x
2. Step 2: Convert to fraction form
   2,169.69/2,994.62 = 1,383.59/x
3. Step 3: Cross multiply
   2,169.69x = 2,994.62 × 1,383.59
4. Step 4: Simplify right side
   2,169.69x = 4,143,304.39
5. Step 5: Solve for x
   x = 4,143,304.39/2,169.69
6. Step 6: Final answer
   x = 1,909.63