Finding the Fourth Proportional to 2,223.83, 3,069.45 and 1,384.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.83 : 3,069.45 = 1,384.08 : x
2. Step 2: Convert to fraction form
   2,223.83/3,069.45 = 1,384.08/x
3. Step 3: Cross multiply
   2,223.83x = 3,069.45 × 1,384.08
4. Step 4: Simplify right side
   2,223.83x = 4,248,364.36
5. Step 5: Solve for x
   x = 4,248,364.36/2,223.83
6. Step 6: Final answer
   x = 1,910.39