Finding the Fourth Proportional to 2,781.32, 3,838.23 and 1,522.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,781.32 : 3,838.23 = 1,522.39 : x
2. Step 2: Convert to fraction form
   2,781.32/3,838.23 = 1,522.39/x
3. Step 3: Cross multiply
   2,781.32x = 3,838.23 × 1,522.39
4. Step 4: Simplify right side
   2,781.32x = 5,843,263.78
5. Step 5: Solve for x
   x = 5,843,263.78/2,781.32
6. Step 6: Final answer
   x = 2,100.90