Finding the Fourth Proportional to 1,413.68, 1,950.66 and 807.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,413.68 : 1,950.66 = 807.98 : x
2. Step 2: Convert to fraction form
   1,413.68/1,950.66 = 807.98/x
3. Step 3: Cross multiply
   1,413.68x = 1,950.66 × 807.98
4. Step 4: Simplify right side
   1,413.68x = 1,576,086.53
5. Step 5: Solve for x
   x = 1,576,086.53/1,413.68
6. Step 6: Final answer
   x = 1,114.88