Finding the Fourth Proportional to 2,223.08, 3,314.69 and 2,137.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.08 : 3,314.69 = 2,137.48 : x
2. Step 2: Convert to fraction form
   2,223.08/3,314.69 = 2,137.48/x
3. Step 3: Cross multiply
   2,223.08x = 3,314.69 × 2,137.48
4. Step 4: Simplify right side
   2,223.08x = 7,085,083.58
5. Step 5: Solve for x
   x = 7,085,083.58/2,223.08
6. Step 6: Final answer
   x = 3,187.06