Finding the Fourth Proportional to 1,496.16, 2,064.81 and 866.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,496.16 : 2,064.81 = 866.85 : x
2. Step 2: Convert to fraction form
   1,496.16/2,064.81 = 866.85/x
3. Step 3: Cross multiply
   1,496.16x = 2,064.81 × 866.85
4. Step 4: Simplify right side
   1,496.16x = 1,789,880.55
5. Step 5: Solve for x
   x = 1,789,880.55/1,496.16
6. Step 6: Final answer
   x = 1,196.32