Finding the Fourth Proportional to 2,781.48, 3,838.40 and 1,522.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,781.48 : 3,838.40 = 1,522.50 : x
2. Step 2: Convert to fraction form
   2,781.48/3,838.40 = 1,522.50/x
3. Step 3: Cross multiply
   2,781.48x = 3,838.40 × 1,522.50
4. Step 4: Simplify right side
   2,781.48x = 5,843,956.39
5. Step 5: Solve for x
   x = 5,843,956.39/2,781.48
6. Step 6: Final answer
   x = 2,101.02