Finding the Fourth Proportional to 1,050.40, 1,568.27 and 946.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,050.40 : 1,568.27 = 946.72 : x
2. Step 2: Convert to fraction form
   1,050.40/1,568.27 = 946.72/x
3. Step 3: Cross multiply
   1,050.40x = 1,568.27 × 946.72
4. Step 4: Simplify right side
   1,050.40x = 1,484,712.57
5. Step 5: Solve for x
   x = 1,484,712.57/1,050.40
6. Step 6: Final answer
   x = 1,413.47