Finding the Fourth Proportional to 1,042.83, 1,439.07 and 600.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,042.83 : 1,439.07 = 600.74 : x
2. Step 2: Convert to fraction form
   1,042.83/1,439.07 = 600.74/x
3. Step 3: Cross multiply
   1,042.83x = 1,439.07 × 600.74
4. Step 4: Simplify right side
   1,042.83x = 864,499.72
5. Step 5: Solve for x
   x = 864,499.72/1,042.83
6. Step 6: Final answer
   x = 828.99