Finding the Fourth Proportional to 1,184.43, 1,634.56 and 660.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,184.43 : 1,634.56 = 660.50 : x
2. Step 2: Convert to fraction form
   1,184.43/1,634.56 = 660.50/x
3. Step 3: Cross multiply
   1,184.43x = 1,634.56 × 660.50
4. Step 4: Simplify right side
   1,184.43x = 1,079,626.88
5. Step 5: Solve for x
   x = 1,079,626.88/1,184.43
6. Step 6: Final answer
   x = 911.52