Finding the Fourth Proportional to 1,343.50, 2,016.34 and 694.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.50 : 2,016.34 = 694.42 : x
2. Step 2: Convert to fraction form
   1,343.50/2,016.34 = 694.42/x
3. Step 3: Cross multiply
   1,343.50x = 2,016.34 × 694.42
4. Step 4: Simplify right side
   1,343.50x = 1,400,186.82
5. Step 5: Solve for x
   x = 1,400,186.82/1,343.50
6. Step 6: Final answer
   x = 1,042.19