Finding the Fourth Proportional to 1,083.10, 1,494.53 and 610.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,083.10 : 1,494.53 = 610.99 : x
2. Step 2: Convert to fraction form
   1,083.10/1,494.53 = 610.99/x
3. Step 3: Cross multiply
   1,083.10x = 1,494.53 × 610.99
4. Step 4: Simplify right side
   1,083.10x = 913,145.07
5. Step 5: Solve for x
   x = 913,145.07/1,083.10
6. Step 6: Final answer
   x = 843.09