Finding the Fourth Proportional to 2,222.71, 3,067.62 and 1,384.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.71 : 3,067.62 = 1,384.25 : x
2. Step 2: Convert to fraction form
   2,222.71/3,067.62 = 1,384.25/x
3. Step 3: Cross multiply
   2,222.71x = 3,067.62 × 1,384.25
4. Step 4: Simplify right side
   2,222.71x = 4,246,360.65
5. Step 5: Solve for x
   x = 4,246,360.65/2,222.71
6. Step 6: Final answer
   x = 1,910.45