Finding the Fourth Proportional to 1,374.55, 1,897.23 and 850.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,374.55 : 1,897.23 = 850.27 : x
2. Step 2: Convert to fraction form
   1,374.55/1,897.23 = 850.27/x
3. Step 3: Cross multiply
   1,374.55x = 1,897.23 × 850.27
4. Step 4: Simplify right side
   1,374.55x = 1,613,157.75
5. Step 5: Solve for x
   x = 1,613,157.75/1,374.55
6. Step 6: Final answer
   x = 1,173.59