Finding the Fourth Proportional to 1,076.38, 1,485.32 and 597.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076.38 : 1,485.32 = 597.85 : x
2. Step 2: Convert to fraction form
   1,076.38/1,485.32 = 597.85/x
3. Step 3: Cross multiply
   1,076.38x = 1,485.32 × 597.85
4. Step 4: Simplify right side
   1,076.38x = 887,998.56
5. Step 5: Solve for x
   x = 887,998.56/1,076.38
6. Step 6: Final answer
   x = 824.99