Finding the Fourth Proportional to 1,196.53, 1,651.44 and 866.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.53 : 1,651.44 = 866.50 : x
2. Step 2: Convert to fraction form
   1,196.53/1,651.44 = 866.50/x
3. Step 3: Cross multiply
   1,196.53x = 1,651.44 × 866.50
4. Step 4: Simplify right side
   1,196.53x = 1,430,972.76
5. Step 5: Solve for x
   x = 1,430,972.76/1,196.53
6. Step 6: Final answer
   x = 1,195.94