Finding the Fourth Proportional to 2,781.72, 3,830.22 and 2,522.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,781.72 : 3,830.22 = 2,522.52 : x
2. Step 2: Convert to fraction form
   2,781.72/3,830.22 = 2,522.52/x
3. Step 3: Cross multiply
   2,781.72x = 3,830.22 × 2,522.52
4. Step 4: Simplify right side
   2,781.72x = 9,661,806.55
5. Step 5: Solve for x
   x = 9,661,806.55/2,781.72
6. Step 6: Final answer
   x = 3,473.32