Finding the Fourth Proportional to 2,393.72, 3,303.05 and 1,436.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,393.72 : 3,303.05 = 1,436.57 : x
2. Step 2: Convert to fraction form
   2,393.72/3,303.05 = 1,436.57/x
3. Step 3: Cross multiply
   2,393.72x = 3,303.05 × 1,436.57
4. Step 4: Simplify right side
   2,393.72x = 4,745,062.54
5. Step 5: Solve for x
   x = 4,745,062.54/2,393.72
6. Step 6: Final answer
   x = 1,982.30