Finding the Fourth Proportional to 1,436.93, 1,984.13 and 1,171.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.93 : 1,984.13 = 1,171.41 : x
2. Step 2: Convert to fraction form
   1,436.93/1,984.13 = 1,171.41/x
3. Step 3: Cross multiply
   1,436.93x = 1,984.13 × 1,171.41
4. Step 4: Simplify right side
   1,436.93x = 2,324,229.72
5. Step 5: Solve for x
   x = 2,324,229.72/1,436.93
6. Step 6: Final answer
   x = 1,617.50