Finding the Fourth Proportional to 2,169.43, 2,993.81 and 1,174.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,169.43 : 2,993.81 = 1,174.71 : x
2. Step 2: Convert to fraction form
   2,169.43/2,993.81 = 1,174.71/x
3. Step 3: Cross multiply
   2,169.43x = 2,993.81 × 1,174.71
4. Step 4: Simplify right side
   2,169.43x = 3,516,856.97
5. Step 5: Solve for x
   x = 3,516,856.97/2,169.43
6. Step 6: Final answer
   x = 1,621.09