Finding the Fourth Proportional to 2,348.28, 3,244.90 and 2,234.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,348.28 : 3,244.90 = 2,234.40 : x
2. Step 2: Convert to fraction form
   2,348.28/3,244.90 = 2,234.40/x
3. Step 3: Cross multiply
   2,348.28x = 3,244.90 × 2,234.40
4. Step 4: Simplify right side
   2,348.28x = 7,250,404.56
5. Step 5: Solve for x
   x = 7,250,404.56/2,348.28
6. Step 6: Final answer
   x = 3,087.54