Finding the Fourth Proportional to 1,436.33, 1,981.46 and 846.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.33 : 1,981.46 = 846.65 : x
2. Step 2: Convert to fraction form
   1,436.33/1,981.46 = 846.65/x
3. Step 3: Cross multiply
   1,436.33x = 1,981.46 × 846.65
4. Step 4: Simplify right side
   1,436.33x = 1,677,610.18
5. Step 5: Solve for x
   x = 1,677,610.18/1,436.33
6. Step 6: Final answer
   x = 1,167.98