Finding the Fourth Proportional to 1,436.22, 1,981.98 and 846.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.22 : 1,981.98 = 846.75 : x
2. Step 2: Convert to fraction form
   1,436.22/1,981.98 = 846.75/x
3. Step 3: Cross multiply
   1,436.22x = 1,981.98 × 846.75
4. Step 4: Simplify right side
   1,436.22x = 1,678,241.57
5. Step 5: Solve for x
   x = 1,678,241.57/1,436.22
6. Step 6: Final answer
   x = 1,168.51