Finding the Fourth Proportional to 2,234.39, 3,086.71 and 1,648.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,234.39 : 3,086.71 = 1,648.15 : x
2. Step 2: Convert to fraction form
   2,234.39/3,086.71 = 1,648.15/x
3. Step 3: Cross multiply
   2,234.39x = 3,086.71 × 1,648.15
4. Step 4: Simplify right side
   2,234.39x = 5,087,349.25
5. Step 5: Solve for x
   x = 5,087,349.25/2,234.39
6. Step 6: Final answer
   x = 2,276.85