Finding the Fourth Proportional to 1,694.42, 2,338.17 and 986.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,694.42 : 2,338.17 = 986.38 : x
2. Step 2: Convert to fraction form
   1,694.42/2,338.17 = 986.38/x
3. Step 3: Cross multiply
   1,694.42x = 2,338.17 × 986.38
4. Step 4: Simplify right side
   1,694.42x = 2,306,314.58
5. Step 5: Solve for x
   x = 2,306,314.58/1,694.42
6. Step 6: Final answer
   x = 1,361.12