Finding the Fourth Proportional to 1,040.98, 1,436.71 and 598.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040.98 : 1,436.71 = 598.85 : x
2. Step 2: Convert to fraction form
   1,040.98/1,436.71 = 598.85/x
3. Step 3: Cross multiply
   1,040.98x = 1,436.71 × 598.85
4. Step 4: Simplify right side
   1,040.98x = 860,380.82
5. Step 5: Solve for x
   x = 860,380.82/1,040.98
6. Step 6: Final answer
   x = 826.51