Finding the Fourth Proportional to 2,781.57, 3,838.83 and 1,662.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,781.57 : 3,838.83 = 1,662.33 : x
2. Step 2: Convert to fraction form
   2,781.57/3,838.83 = 1,662.33/x
3. Step 3: Cross multiply
   2,781.57x = 3,838.83 × 1,662.33
4. Step 4: Simplify right side
   2,781.57x = 6,381,402.27
5. Step 5: Solve for x
   x = 6,381,402.27/2,781.57
6. Step 6: Final answer
   x = 2,294.17