Finding the Fourth Proportional to 2,069.37, 2,854.71 and 1,921.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069.37 : 2,854.71 = 1,921.14 : x
2. Step 2: Convert to fraction form
   2,069.37/2,854.71 = 1,921.14/x
3. Step 3: Cross multiply
   2,069.37x = 2,854.71 × 1,921.14
4. Step 4: Simplify right side
   2,069.37x = 5,484,297.57
5. Step 5: Solve for x
   x = 5,484,297.57/2,069.37
6. Step 6: Final answer
   x = 2,650.23