Finding the Fourth Proportional to 1,908.52, 2,863.05 and 609.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,908.52 : 2,863.05 = 609.82 : x
2. Step 2: Convert to fraction form
   1,908.52/2,863.05 = 609.82/x
3. Step 3: Cross multiply
   1,908.52x = 2,863.05 × 609.82
4. Step 4: Simplify right side
   1,908.52x = 1,745,945.15
5. Step 5: Solve for x
   x = 1,745,945.15/1,908.52
6. Step 6: Final answer
   x = 914.82