Finding the Fourth Proportional to 2,781.17, 3,838.12 and 1,522.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,781.17 : 3,838.12 = 1,522.15 : x
2. Step 2: Convert to fraction form
   2,781.17/3,838.12 = 1,522.15/x
3. Step 3: Cross multiply
   2,781.17x = 3,838.12 × 1,522.15
4. Step 4: Simplify right side
   2,781.17x = 5,842,194.36
5. Step 5: Solve for x
   x = 5,842,194.36/2,781.17
6. Step 6: Final answer
   x = 2,100.62