Finding the Fourth Proportional to 3,681.27, 5,079.98 and 2,002.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,681.27 : 5,079.98 = 2,002.55 : x
2. Step 2: Convert to fraction form
   3,681.27/5,079.98 = 2,002.55/x
3. Step 3: Cross multiply
   3,681.27x = 5,079.98 × 2,002.55
4. Step 4: Simplify right side
   3,681.27x = 10,172,893.56
5. Step 5: Solve for x
   x = 10,172,893.56/3,681.27
6. Step 6: Final answer
   x = 2,763.42