Finding the Fourth Proportional to 2,167.72, 3,249.90 and 1,472.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167.72 : 3,249.90 = 1,472.56 : x
2. Step 2: Convert to fraction form
   2,167.72/3,249.90 = 1,472.56/x
3. Step 3: Cross multiply
   2,167.72x = 3,249.90 × 1,472.56
4. Step 4: Simplify right side
   2,167.72x = 4,785,672.74
5. Step 5: Solve for x
   x = 4,785,672.74/2,167.72
6. Step 6: Final answer
   x = 2,207.70