Finding the Fourth Proportional to 1,436.32, 1,981.49 and 846.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.32 : 1,981.49 = 846.71 : x
2. Step 2: Convert to fraction form
   1,436.32/1,981.49 = 846.71/x
3. Step 3: Cross multiply
   1,436.32x = 1,981.49 × 846.71
4. Step 4: Simplify right side
   1,436.32x = 1,677,747.40
5. Step 5: Solve for x
   x = 1,677,747.40/1,436.32
6. Step 6: Final answer
   x = 1,168.09