Finding the Fourth Proportional to 3,681.01, 5,079.89 and 2,002.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,681.01 : 5,079.89 = 2,002.51 : x
2. Step 2: Convert to fraction form
   3,681.01/5,079.89 = 2,002.51/x
3. Step 3: Cross multiply
   3,681.01x = 5,079.89 × 2,002.51
4. Step 4: Simplify right side
   3,681.01x = 10,172,520.51
5. Step 5: Solve for x
   x = 10,172,520.51/3,681.01
6. Step 6: Final answer
   x = 2,763.51