Finding the Fourth Proportional to 1,375.50, 1,897.01 and 850.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375.50 : 1,897.01 = 850.62 : x
2. Step 2: Convert to fraction form
   1,375.50/1,897.01 = 850.62/x
3. Step 3: Cross multiply
   1,375.50x = 1,897.01 × 850.62
4. Step 4: Simplify right side
   1,375.50x = 1,613,630.39
5. Step 5: Solve for x
   x = 1,613,630.39/1,375.50
6. Step 6: Final answer
   x = 1,173.12