Finding the Fourth Proportional to 3,681.25, 5,081.78 and 2,422.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,681.25 : 5,081.78 = 2,422.96 : x
2. Step 2: Convert to fraction form
   3,681.25/5,081.78 = 2,422.96/x
3. Step 3: Cross multiply
   3,681.25x = 5,081.78 × 2,422.96
4. Step 4: Simplify right side
   3,681.25x = 12,312,937.55
5. Step 5: Solve for x
   x = 12,312,937.55/3,681.25
6. Step 6: Final answer
   x = 3,344.78