Finding the Fourth Proportional to 3,681.31, 5,080.28 and 2,002.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,681.31 : 5,080.28 = 2,002.76 : x
2. Step 2: Convert to fraction form
   3,681.31/5,080.28 = 2,002.76/x
3. Step 3: Cross multiply
   3,681.31x = 5,080.28 × 2,002.76
4. Step 4: Simplify right side
   3,681.31x = 10,174,581.57
5. Step 5: Solve for x
   x = 10,174,581.57/3,681.31
6. Step 6: Final answer
   x = 2,763.85