Finding the Fourth Proportional to 2,223.06, 3,069.03 and 1,384.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.06 : 3,069.03 = 1,384.48 : x
2. Step 2: Convert to fraction form
   2,223.06/3,069.03 = 1,384.48/x
3. Step 3: Cross multiply
   2,223.06x = 3,069.03 × 1,384.48
4. Step 4: Simplify right side
   2,223.06x = 4,249,010.65
5. Step 5: Solve for x
   x = 4,249,010.65/2,223.06
6. Step 6: Final answer
   x = 1,911.33