Finding the Fourth Proportional to 1,083.82, 1,495.78 and 611.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,083.82 : 1,495.78 = 611.89 : x
2. Step 2: Convert to fraction form
   1,083.82/1,495.78 = 611.89/x
3. Step 3: Cross multiply
   1,083.82x = 1,495.78 × 611.89
4. Step 4: Simplify right side
   1,083.82x = 915,252.82
5. Step 5: Solve for x
   x = 915,252.82/1,083.82
6. Step 6: Final answer
   x = 844.47