Finding the Fourth Proportional to 1,196.03, 1,650.75 and 866

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.03 : 1,650.75 = 866 : x
2. Step 2: Convert to fraction form
   1,196.03/1,650.75 = 866/x
3. Step 3: Cross multiply
   1,196.03x = 1,650.75 × 866
4. Step 4: Simplify right side
   1,196.03x = 1,429,549.50
5. Step 5: Solve for x
   x = 1,429,549.50/1,196.03
6. Step 6: Final answer
   x = 1,195.25