Finding the Fourth Proportional to 1,033.02, 1,426.03 and 660.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,033.02 : 1,426.03 = 660.50 : x
2. Step 2: Convert to fraction form
   1,033.02/1,426.03 = 660.50/x
3. Step 3: Cross multiply
   1,033.02x = 1,426.03 × 660.50
4. Step 4: Simplify right side
   1,033.02x = 941,892.82
5. Step 5: Solve for x
   x = 941,892.82/1,033.02
6. Step 6: Final answer
   x = 911.79