Finding the Fourth Proportional to 2,169.46, 2,993.76 and 1,383.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,169.46 : 2,993.76 = 1,383.76 : x
2. Step 2: Convert to fraction form
   2,169.46/2,993.76 = 1,383.76/x
3. Step 3: Cross multiply
   2,169.46x = 2,993.76 × 1,383.76
4. Step 4: Simplify right side
   2,169.46x = 4,142,645.34
5. Step 5: Solve for x
   x = 4,142,645.34/2,169.46
6. Step 6: Final answer
   x = 1,909.53