Finding the Fourth Proportional to 1,081.82, 1,493.06 and 609.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,081.82 : 1,493.06 = 609.82 : x
2. Step 2: Convert to fraction form
   1,081.82/1,493.06 = 609.82/x
3. Step 3: Cross multiply
   1,081.82x = 1,493.06 × 609.82
4. Step 4: Simplify right side
   1,081.82x = 910,496.98
5. Step 5: Solve for x
   x = 910,496.98/1,081.82
6. Step 6: Final answer
   x = 841.63