Finding the Fourth Proportional to 1,522.67, 2,101.23 and 850.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.67 : 2,101.23 = 850.50 : x
2. Step 2: Convert to fraction form
   1,522.67/2,101.23 = 850.50/x
3. Step 3: Cross multiply
   1,522.67x = 2,101.23 × 850.50
4. Step 4: Simplify right side
   1,522.67x = 1,787,096.12
5. Step 5: Solve for x
   x = 1,787,096.12/1,522.67
6. Step 6: Final answer
   x = 1,173.66