Finding the Fourth Proportional to 1,040.82, 1,436.31 and 598.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040.82 : 1,436.31 = 598.71 : x
2. Step 2: Convert to fraction form
   1,040.82/1,436.31 = 598.71/x
3. Step 3: Cross multiply
   1,040.82x = 1,436.31 × 598.71
4. Step 4: Simplify right side
   1,040.82x = 859,933.16
5. Step 5: Solve for x
   x = 859,933.16/1,040.82
6. Step 6: Final answer
   x = 826.21