Finding the Fourth Proportional to 2,144.34, 3,221.91 and 1,364.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.34 : 3,221.91 = 1,364.69 : x
2. Step 2: Convert to fraction form
   2,144.34/3,221.91 = 1,364.69/x
3. Step 3: Cross multiply
   2,144.34x = 3,221.91 × 1,364.69
4. Step 4: Simplify right side
   2,144.34x = 4,396,916.41
5. Step 5: Solve for x
   x = 4,396,916.41/2,144.34
6. Step 6: Final answer
   x = 2,050.48