Finding the Fourth Proportional to 1,864.27, 2,793.78 and 1,472.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,864.27 : 2,793.78 = 1,472.54 : x
2. Step 2: Convert to fraction form
   1,864.27/2,793.78 = 1,472.54/x
3. Step 3: Cross multiply
   1,864.27x = 2,793.78 × 1,472.54
4. Step 4: Simplify right side
   1,864.27x = 4,113,952.80
5. Step 5: Solve for x
   x = 4,113,952.80/1,864.27
6. Step 6: Final answer
   x = 2,206.74