Finding the Fourth Proportional to 2,781.42, 3,838.44 and 1,522.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,781.42 : 3,838.44 = 1,522.50 : x
2. Step 2: Convert to fraction form
   2,781.42/3,838.44 = 1,522.50/x
3. Step 3: Cross multiply
   2,781.42x = 3,838.44 × 1,522.50
4. Step 4: Simplify right side
   2,781.42x = 5,844,024.90
5. Step 5: Solve for x
   x = 5,844,024.90/2,781.42
6. Step 6: Final answer
   x = 2,101.09