Finding the Fourth Proportional to 1,413.42, 1,950.01 and 853.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,413.42 : 1,950.01 = 853.67 : x
2. Step 2: Convert to fraction form
   1,413.42/1,950.01 = 853.67/x
3. Step 3: Cross multiply
   1,413.42x = 1,950.01 × 853.67
4. Step 4: Simplify right side
   1,413.42x = 1,664,667.78
5. Step 5: Solve for x
   x = 1,664,667.78/1,413.42
6. Step 6: Final answer
   x = 1,177.76