Finding the Fourth Proportional to 3,780.98, 5,218.71 and 2,522.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,780.98 : 5,218.71 = 2,522.42 : x
2. Step 2: Convert to fraction form
   3,780.98/5,218.71 = 2,522.42/x
3. Step 3: Cross multiply
   3,780.98x = 5,218.71 × 2,522.42
4. Step 4: Simplify right side
   3,780.98x = 13,163,778.48
5. Step 5: Solve for x
   x = 13,163,778.48/3,780.98
6. Step 6: Final answer
   x = 3,481.58