Finding the Fourth Proportional to 1,413.81, 1,950.35 and 947.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,413.81 : 1,950.35 = 947.25 : x
2. Step 2: Convert to fraction form
   1,413.81/1,950.35 = 947.25/x
3. Step 3: Cross multiply
   1,413.81x = 1,950.35 × 947.25
4. Step 4: Simplify right side
   1,413.81x = 1,847,464.30
5. Step 5: Solve for x
   x = 1,847,464.30/1,413.81
6. Step 6: Final answer
   x = 1,306.73