Finding the Fourth Proportional to 1,229.42, 1,696.49 and 705.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,229.42 : 1,696.49 = 705.42 : x
2. Step 2: Convert to fraction form
   1,229.42/1,696.49 = 705.42/x
3. Step 3: Cross multiply
   1,229.42x = 1,696.49 × 705.42
4. Step 4: Simplify right side
   1,229.42x = 1,196,737.98
5. Step 5: Solve for x
   x = 1,196,737.98/1,229.42
6. Step 6: Final answer
   x = 973.42