Finding the Fourth Proportional to 1,040.32, 1,435.53 and 598.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040.32 : 1,435.53 = 598.18 : x
2. Step 2: Convert to fraction form
   1,040.32/1,435.53 = 598.18/x
3. Step 3: Cross multiply
   1,040.32x = 1,435.53 × 598.18
4. Step 4: Simplify right side
   1,040.32x = 858,705.34
5. Step 5: Solve for x
   x = 858,705.34/1,040.32
6. Step 6: Final answer
   x = 825.42