Finding the Fourth Proportional to 1,468.56, 2,196.48 and 850.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,468.56 : 2,196.48 = 850.80 : x
2. Step 2: Convert to fraction form
   1,468.56/2,196.48 = 850.80/x
3. Step 3: Cross multiply
   1,468.56x = 2,196.48 × 850.80
4. Step 4: Simplify right side
   1,468.56x = 1,868,765.18
5. Step 5: Solve for x
   x = 1,868,765.18/1,468.56
6. Step 6: Final answer
   x = 1,272.52