Finding the Fourth Proportional to 1,040.51, 1,435.61 and 598.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040.51 : 1,435.61 = 598.34 : x
2. Step 2: Convert to fraction form
   1,040.51/1,435.61 = 598.34/x
3. Step 3: Cross multiply
   1,040.51x = 1,435.61 × 598.34
4. Step 4: Simplify right side
   1,040.51x = 858,976.53
5. Step 5: Solve for x
   x = 858,976.53/1,040.51
6. Step 6: Final answer
   x = 825.53