Finding the Fourth Proportional to 1,229.52, 1,696.23 and 705.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,229.52 : 1,696.23 = 705.18 : x
2. Step 2: Convert to fraction form
   1,229.52/1,696.23 = 705.18/x
3. Step 3: Cross multiply
   1,229.52x = 1,696.23 × 705.18
4. Step 4: Simplify right side
   1,229.52x = 1,196,147.47
5. Step 5: Solve for x
   x = 1,196,147.47/1,229.52
6. Step 6: Final answer
   x = 972.86