Finding the Fourth Proportional to 1,040.71, 1,436.17 and 598.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040.71 : 1,436.17 = 598.58 : x
2. Step 2: Convert to fraction form
   1,040.71/1,436.17 = 598.58/x
3. Step 3: Cross multiply
   1,040.71x = 1,436.17 × 598.58
4. Step 4: Simplify right side
   1,040.71x = 859,662.64
5. Step 5: Solve for x
   x = 859,662.64/1,040.71
6. Step 6: Final answer
   x = 826.03