Finding the Fourth Proportional to 1,043.59, 1,439.86 and 601.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,043.59 : 1,439.86 = 601.41 : x
2. Step 2: Convert to fraction form
   1,043.59/1,439.86 = 601.41/x
3. Step 3: Cross multiply
   1,043.59x = 1,439.86 × 601.41
4. Step 4: Simplify right side
   1,043.59x = 865,940.05
5. Step 5: Solve for x
   x = 865,940.05/1,043.59
6. Step 6: Final answer
   x = 829.77