Finding the Fourth Proportional to 1,131.17, 1,696.75 and 506.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.17 : 1,696.75 = 506.25 : x
2. Step 2: Convert to fraction form
   1,131.17/1,696.75 = 506.25/x
3. Step 3: Cross multiply
   1,131.17x = 1,696.75 × 506.25
4. Step 4: Simplify right side
   1,131.17x = 858,978.42
5. Step 5: Solve for x
   x = 858,978.42/1,131.17
6. Step 6: Final answer
   x = 759.38