Finding the Fourth Proportional to 1,131.39, 1,694.77 and 582.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.39 : 1,694.77 = 582.41 : x
2. Step 2: Convert to fraction form
   1,131.39/1,694.77 = 582.41/x
3. Step 3: Cross multiply
   1,131.39x = 1,694.77 × 582.41
4. Step 4: Simplify right side
   1,131.39x = 987,055.90
5. Step 5: Solve for x
   x = 987,055.90/1,131.39
6. Step 6: Final answer
   x = 872.43