Finding the Fourth Proportional to 1,040.62, 1,435.98 and 598.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040.62 : 1,435.98 = 598.54 : x
2. Step 2: Convert to fraction form
   1,040.62/1,435.98 = 598.54/x
3. Step 3: Cross multiply
   1,040.62x = 1,435.98 × 598.54
4. Step 4: Simplify right side
   1,040.62x = 859,491.47
5. Step 5: Solve for x
   x = 859,491.47/1,040.62
6. Step 6: Final answer
   x = 825.94