Finding the Fourth Proportional to 2,869.39, 3,959.69 and 1,610.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,869.39 : 3,959.69 = 1,610.52 : x
2. Step 2: Convert to fraction form
   2,869.39/3,959.69 = 1,610.52/x
3. Step 3: Cross multiply
   2,869.39x = 3,959.69 × 1,610.52
4. Step 4: Simplify right side
   2,869.39x = 6,377,137.04
5. Step 5: Solve for x
   x = 6,377,137.04/2,869.39
6. Step 6: Final answer
   x = 2,222.47