Finding the Fourth Proportional to 1,219.82, 1,683.42 and 695.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,219.82 : 1,683.42 = 695.96 : x
2. Step 2: Convert to fraction form
   1,219.82/1,683.42 = 695.96/x
3. Step 3: Cross multiply
   1,219.82x = 1,683.42 × 695.96
4. Step 4: Simplify right side
   1,219.82x = 1,171,592.98
5. Step 5: Solve for x
   x = 1,171,592.98/1,219.82
6. Step 6: Final answer
   x = 960.46