Finding the Fourth Proportional to 1,062.35, 1,592.58 and 404.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062.35 : 1,592.58 = 404.10 : x
2. Step 2: Convert to fraction form
   1,062.35/1,592.58 = 404.10/x
3. Step 3: Cross multiply
   1,062.35x = 1,592.58 × 404.10
4. Step 4: Simplify right side
   1,062.35x = 643,561.58
5. Step 5: Solve for x
   x = 643,561.58/1,062.35
6. Step 6: Final answer
   x = 605.79