Finding the Fourth Proportional to 1,318.38, 1,978.71 and 733.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,318.38 : 1,978.71 = 733.97 : x
2. Step 2: Convert to fraction form
   1,318.38/1,978.71 = 733.97/x
3. Step 3: Cross multiply
   1,318.38x = 1,978.71 × 733.97
4. Step 4: Simplify right side
   1,318.38x = 1,452,313.78
5. Step 5: Solve for x
   x = 1,452,313.78/1,318.38
6. Step 6: Final answer
   x = 1,101.59