Finding the Fourth Proportional to 1,083.71, 1,495.50 and 611.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,083.71 : 1,495.50 = 611.59 : x
2. Step 2: Convert to fraction form
   1,083.71/1,495.50 = 611.59/x
3. Step 3: Cross multiply
   1,083.71x = 1,495.50 × 611.59
4. Step 4: Simplify right side
   1,083.71x = 914,636.65
5. Step 5: Solve for x
   x = 914,636.65/1,083.71
6. Step 6: Final answer
   x = 843.99