Finding the Fourth Proportional to 1,196.59, 1,650.37 and 866.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.59 : 1,650.37 = 866.11 : x
2. Step 2: Convert to fraction form
   1,196.59/1,650.37 = 866.11/x
3. Step 3: Cross multiply
   1,196.59x = 1,650.37 × 866.11
4. Step 4: Simplify right side
   1,196.59x = 1,429,393.71
5. Step 5: Solve for x
   x = 1,429,393.71/1,196.59
6. Step 6: Final answer
   x = 1,194.56