Finding the Fourth Proportional to 1,043.31, 1,439.81 and 601.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,043.31 : 1,439.81 = 601.27 : x
2. Step 2: Convert to fraction form
   1,043.31/1,439.81 = 601.27/x
3. Step 3: Cross multiply
   1,043.31x = 1,439.81 × 601.27
4. Step 4: Simplify right side
   1,043.31x = 865,714.56
5. Step 5: Solve for x
   x = 865,714.56/1,043.31
6. Step 6: Final answer
   x = 829.78