Finding the Fourth Proportional to 1,043.38, 1,439.76 and 601.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,043.38 : 1,439.76 = 601.30 : x
2. Step 2: Convert to fraction form
   1,043.38/1,439.76 = 601.30/x
3. Step 3: Cross multiply
   1,043.38x = 1,439.76 × 601.30
4. Step 4: Simplify right side
   1,043.38x = 865,727.69
5. Step 5: Solve for x
   x = 865,727.69/1,043.38
6. Step 6: Final answer
   x = 829.73