Finding the Fourth Proportional to 2,223.68, 3,069.33 and 1,339.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.68 : 3,069.33 = 1,339.34 : x
2. Step 2: Convert to fraction form
   2,223.68/3,069.33 = 1,339.34/x
3. Step 3: Cross multiply
   2,223.68x = 3,069.33 × 1,339.34
4. Step 4: Simplify right side
   2,223.68x = 4,110,876.44
5. Step 5: Solve for x
   x = 4,110,876.44/2,223.68
6. Step 6: Final answer
   x = 1,848.68