Finding the Fourth Proportional to 1,352.72, 2,024.37 and 936.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,352.72 : 2,024.37 = 936.70 : x
2. Step 2: Convert to fraction form
   1,352.72/2,024.37 = 936.70/x
3. Step 3: Cross multiply
   1,352.72x = 2,024.37 × 936.70
4. Step 4: Simplify right side
   1,352.72x = 1,896,222.32
5. Step 5: Solve for x
   x = 1,896,222.32/1,352.72
6. Step 6: Final answer
   x = 1,401.78