Finding the Fourth Proportional to 1,229.25, 1,696.38 and 705.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,229.25 : 1,696.38 = 705.30 : x
2. Step 2: Convert to fraction form
   1,229.25/1,696.38 = 705.30/x
3. Step 3: Cross multiply
   1,229.25x = 1,696.38 × 705.30
4. Step 4: Simplify right side
   1,229.25x = 1,196,456.81
5. Step 5: Solve for x
   x = 1,196,456.81/1,229.25
6. Step 6: Final answer
   x = 973.32