Finding the Fourth Proportional to 1,131.72, 1,696.04 and 582.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.72 : 1,696.04 = 582.76 : x
2. Step 2: Convert to fraction form
   1,131.72/1,696.04 = 582.76/x
3. Step 3: Cross multiply
   1,131.72x = 1,696.04 × 582.76
4. Step 4: Simplify right side
   1,131.72x = 988,384.27
5. Step 5: Solve for x
   x = 988,384.27/1,131.72
6. Step 6: Final answer
   x = 873.35