Finding the Fourth Proportional to 1,445.33, 1,993.57 and 1,168.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445.33 : 1,993.57 = 1,168.54 : x
2. Step 2: Convert to fraction form
   1,445.33/1,993.57 = 1,168.54/x
3. Step 3: Cross multiply
   1,445.33x = 1,993.57 × 1,168.54
4. Step 4: Simplify right side
   1,445.33x = 2,329,558.38
5. Step 5: Solve for x
   x = 2,329,558.38/1,445.33
6. Step 6: Final answer
   x = 1,611.78