Finding the Fourth Proportional to 1,043.55, 1,439.69 and 601.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,043.55 : 1,439.69 = 601.22 : x
2. Step 2: Convert to fraction form
   1,043.55/1,439.69 = 601.22/x
3. Step 3: Cross multiply
   1,043.55x = 1,439.69 × 601.22
4. Step 4: Simplify right side
   1,043.55x = 865,570.42
5. Step 5: Solve for x
   x = 865,570.42/1,043.55
6. Step 6: Final answer
   x = 829.45