Finding the Fourth Proportional to 1,062.72, 1,593.41 and 446.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062.72 : 1,593.41 = 446.85 : x
2. Step 2: Convert to fraction form
   1,062.72/1,593.41 = 446.85/x
3. Step 3: Cross multiply
   1,062.72x = 1,593.41 × 446.85
4. Step 4: Simplify right side
   1,062.72x = 712,013.02
5. Step 5: Solve for x
   x = 712,013.02/1,062.72
6. Step 6: Final answer
   x = 669.99