Finding the Fourth Proportional to 1,413.83, 1,950.10 and 972.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,413.83 : 1,950.10 = 972.79 : x
2. Step 2: Convert to fraction form
   1,413.83/1,950.10 = 972.79/x
3. Step 3: Cross multiply
   1,413.83x = 1,950.10 × 972.79
4. Step 4: Simplify right side
   1,413.83x = 1,897,037.78
5. Step 5: Solve for x
   x = 1,897,037.78/1,413.83
6. Step 6: Final answer
   x = 1,341.77