Finding the Fourth Proportional to 1,040.37, 1,435.73 and 592.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040.37 : 1,435.73 = 592.31 : x
2. Step 2: Convert to fraction form
   1,040.37/1,435.73 = 592.31/x
3. Step 3: Cross multiply
   1,040.37x = 1,435.73 × 592.31
4. Step 4: Simplify right side
   1,040.37x = 850,387.10
5. Step 5: Solve for x
   x = 850,387.10/1,040.37
6. Step 6: Final answer
   x = 817.39