Finding the Fourth Proportional to 1,047.81, 1,446.05 and 605.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.81 : 1,446.05 = 605.82 : x
2. Step 2: Convert to fraction form
   1,047.81/1,446.05 = 605.82/x
3. Step 3: Cross multiply
   1,047.81x = 1,446.05 × 605.82
4. Step 4: Simplify right side
   1,047.81x = 876,042.98
5. Step 5: Solve for x
   x = 876,042.98/1,047.81
6. Step 6: Final answer
   x = 836.07