Finding the Fourth Proportional to 1,062.30, 1,594.23 and 404.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062.30 : 1,594.23 = 404.82 : x
2. Step 2: Convert to fraction form
   1,062.30/1,594.23 = 404.82/x
3. Step 3: Cross multiply
   1,062.30x = 1,594.23 × 404.82
4. Step 4: Simplify right side
   1,062.30x = 645,376.19
5. Step 5: Solve for x
   x = 645,376.19/1,062.30
6. Step 6: Final answer
   x = 607.53