Finding the Fourth Proportional to 1,042.77, 1,439.17 and 600.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,042.77 : 1,439.17 = 600.82 : x
2. Step 2: Convert to fraction form
   1,042.77/1,439.17 = 600.82/x
3. Step 3: Cross multiply
   1,042.77x = 1,439.17 × 600.82
4. Step 4: Simplify right side
   1,042.77x = 864,677.02
5. Step 5: Solve for x
   x = 864,677.02/1,042.77
6. Step 6: Final answer
   x = 829.21