Finding the Fourth Proportional to 2,147.29, 3,215.49 and 1,799.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147.29 : 3,215.49 = 1,799.71 : x
2. Step 2: Convert to fraction form
   2,147.29/3,215.49 = 1,799.71/x
3. Step 3: Cross multiply
   2,147.29x = 3,215.49 × 1,799.71
4. Step 4: Simplify right side
   2,147.29x = 5,786,949.51
5. Step 5: Solve for x
   x = 5,786,949.51/2,147.29
6. Step 6: Final answer
   x = 2,695.00