Finding the Fourth Proportional to 1,314.37, 1,968.34 and 850.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,314.37 : 1,968.34 = 850.76 : x
2. Step 2: Convert to fraction form
   1,314.37/1,968.34 = 850.76/x
3. Step 3: Cross multiply
   1,314.37x = 1,968.34 × 850.76
4. Step 4: Simplify right side
   1,314.37x = 1,674,584.94
5. Step 5: Solve for x
   x = 1,674,584.94/1,314.37
6. Step 6: Final answer
   x = 1,274.06