Finding the Fourth Proportional to 1,648.28, 2,270.78 and 1,150.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648.28 : 2,270.78 = 1,150.04 : x
2. Step 2: Convert to fraction form
   1,648.28/2,270.78 = 1,150.04/x
3. Step 3: Cross multiply
   1,648.28x = 2,270.78 × 1,150.04
4. Step 4: Simplify right side
   1,648.28x = 2,611,470.73
5. Step 5: Solve for x
   x = 2,611,470.73/1,648.28
6. Step 6: Final answer
   x = 1,584.37