Finding the Fourth Proportional to 1,062.53, 1,592.88 and 404.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062.53 : 1,592.88 = 404.03 : x
2. Step 2: Convert to fraction form
   1,062.53/1,592.88 = 404.03/x
3. Step 3: Cross multiply
   1,062.53x = 1,592.88 × 404.03
4. Step 4: Simplify right side
   1,062.53x = 643,571.31
5. Step 5: Solve for x
   x = 643,571.31/1,062.53
6. Step 6: Final answer
   x = 605.70