Finding the Fourth Proportional to 3,681.02, 5,081.90 and 2,425.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,681.02 : 5,081.90 = 2,425.72 : x
2. Step 2: Convert to fraction form
   3,681.02/5,081.90 = 2,425.72/x
3. Step 3: Cross multiply
   3,681.02x = 5,081.90 × 2,425.72
4. Step 4: Simplify right side
   3,681.02x = 12,327,266.47
5. Step 5: Solve for x
   x = 12,327,266.47/3,681.02
6. Step 6: Final answer
   x = 3,348.87