Finding the Fourth Proportional to 1,040.52, 1,435.74 and 598.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040.52 : 1,435.74 = 598.35 : x
2. Step 2: Convert to fraction form
   1,040.52/1,435.74 = 598.35/x
3. Step 3: Cross multiply
   1,040.52x = 1,435.74 × 598.35
4. Step 4: Simplify right side
   1,040.52x = 859,075.03
5. Step 5: Solve for x
   x = 859,075.03/1,040.52
6. Step 6: Final answer
   x = 825.62