Finding the Fourth Proportional to 1,436.93, 1,983.33 and 847.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.93 : 1,983.33 = 847.85 : x
2. Step 2: Convert to fraction form
   1,436.93/1,983.33 = 847.85/x
3. Step 3: Cross multiply
   1,436.93x = 1,983.33 × 847.85
4. Step 4: Simplify right side
   1,436.93x = 1,681,556.42
5. Step 5: Solve for x
   x = 1,681,556.42/1,436.93
6. Step 6: Final answer
   x = 1,170.25