Finding the Fourth Proportional to 1,436.69, 1,983.01 and 847.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.69 : 1,983.01 = 847.61 : x
2. Step 2: Convert to fraction form
   1,436.69/1,983.01 = 847.61/x
3. Step 3: Cross multiply
   1,436.69x = 1,983.01 × 847.61
4. Step 4: Simplify right side
   1,436.69x = 1,680,824.87
5. Step 5: Solve for x
   x = 1,680,824.87/1,436.69
6. Step 6: Final answer
   x = 1,169.93