Finding the Fourth Proportional to 1,083.51, 1,494.89 and 611.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,083.51 : 1,494.89 = 611.34 : x
2. Step 2: Convert to fraction form
   1,083.51/1,494.89 = 611.34/x
3. Step 3: Cross multiply
   1,083.51x = 1,494.89 × 611.34
4. Step 4: Simplify right side
   1,083.51x = 913,883.00
5. Step 5: Solve for x
   x = 913,883.00/1,083.51
6. Step 6: Final answer
   x = 843.45