Finding the Fourth Proportional to 1,472.72, 2,204.96 and 1,101.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,472.72 : 2,204.96 = 1,101.76 : x
2. Step 2: Convert to fraction form
   1,472.72/2,204.96 = 1,101.76/x
3. Step 3: Cross multiply
   1,472.72x = 2,204.96 × 1,101.76
4. Step 4: Simplify right side
   1,472.72x = 2,429,336.73
5. Step 5: Solve for x
   x = 2,429,336.73/1,472.72
6. Step 6: Final answer
   x = 1,649.56