Finding the Fourth Proportional to 1,083.07, 1,494.72 and 610.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,083.07 : 1,494.72 = 610.96 : x
2. Step 2: Convert to fraction form
   1,083.07/1,494.72 = 610.96/x
3. Step 3: Cross multiply
   1,083.07x = 1,494.72 × 610.96
4. Step 4: Simplify right side
   1,083.07x = 913,214.13
5. Step 5: Solve for x
   x = 913,214.13/1,083.07
6. Step 6: Final answer
   x = 843.17