Finding the Fourth Proportional to 1,062.88, 1,593.47 and 404.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062.88 : 1,593.47 = 404.62 : x
2. Step 2: Convert to fraction form
   1,062.88/1,593.47 = 404.62/x
3. Step 3: Cross multiply
   1,062.88x = 1,593.47 × 404.62
4. Step 4: Simplify right side
   1,062.88x = 644,746.86
5. Step 5: Solve for x
   x = 644,746.86/1,062.88
6. Step 6: Final answer
   x = 606.61