Finding the Fourth Proportional to 1,045.98, 1,443.61 and 597.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045.98 : 1,443.61 = 597.85 : x
2. Step 2: Convert to fraction form
   1,045.98/1,443.61 = 597.85/x
3. Step 3: Cross multiply
   1,045.98x = 1,443.61 × 597.85
4. Step 4: Simplify right side
   1,045.98x = 863,062.24
5. Step 5: Solve for x
   x = 863,062.24/1,045.98
6. Step 6: Final answer
   x = 825.12