Finding the Fourth Proportional to 1,042.69, 1,439.23 and 600.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,042.69 : 1,439.23 = 600.88 : x
2. Step 2: Convert to fraction form
   1,042.69/1,439.23 = 600.88/x
3. Step 3: Cross multiply
   1,042.69x = 1,439.23 × 600.88
4. Step 4: Simplify right side
   1,042.69x = 864,801.52
5. Step 5: Solve for x
   x = 864,801.52/1,042.69
6. Step 6: Final answer
   x = 829.40