Finding the Fourth Proportional to 1,374.50, 1,896.82 and 850.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,374.50 : 1,896.82 = 850.84 : x
2. Step 2: Convert to fraction form
   1,374.50/1,896.82 = 850.84/x
3. Step 3: Cross multiply
   1,374.50x = 1,896.82 × 850.84
4. Step 4: Simplify right side
   1,374.50x = 1,613,890.33
5. Step 5: Solve for x
   x = 1,613,890.33/1,374.50
6. Step 6: Final answer
   x = 1,174.17