Finding the Fourth Proportional to 2,065.17, 3,099.27 and 1,371.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.17 : 3,099.27 = 1,371.61 : x
2. Step 2: Convert to fraction form
   2,065.17/3,099.27 = 1,371.61/x
3. Step 3: Cross multiply
   2,065.17x = 3,099.27 × 1,371.61
4. Step 4: Simplify right side
   2,065.17x = 4,250,974.23
5. Step 5: Solve for x
   x = 4,250,974.23/2,065.17
6. Step 6: Final answer
   x = 2,058.42