Finding the Fourth Proportional to 3,757.72, 5,185.56 and 2,079.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,757.72 : 5,185.56 = 2,079.22 : x
2. Step 2: Convert to fraction form
   3,757.72/5,185.56 = 2,079.22/x
3. Step 3: Cross multiply
   3,757.72x = 5,185.56 × 2,079.22
4. Step 4: Simplify right side
   3,757.72x = 10,781,920.06
5. Step 5: Solve for x
   x = 10,781,920.06/3,757.72
6. Step 6: Final answer
   x = 2,869.27