Finding the Fourth Proportional to 1,436.58, 1,981.68 and 846.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.58 : 1,981.68 = 846.96 : x
2. Step 2: Convert to fraction form
   1,436.58/1,981.68 = 846.96/x
3. Step 3: Cross multiply
   1,436.58x = 1,981.68 × 846.96
4. Step 4: Simplify right side
   1,436.58x = 1,678,403.69
5. Step 5: Solve for x
   x = 1,678,403.69/1,436.58
6. Step 6: Final answer
   x = 1,168.33