Finding the Fourth Proportional to 2,781.38, 3,838.24 and 1,522.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,781.38 : 3,838.24 = 1,522.43 : x
2. Step 2: Convert to fraction form
   2,781.38/3,838.24 = 1,522.43/x
3. Step 3: Cross multiply
   2,781.38x = 3,838.24 × 1,522.43
4. Step 4: Simplify right side
   2,781.38x = 5,843,428.73
5. Step 5: Solve for x
   x = 5,843,428.73/2,781.38
6. Step 6: Final answer
   x = 2,100.91