Finding the Fourth Proportional to 1,044.10, 1,440.82 and 602.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,044.10 : 1,440.82 = 602.10 : x
2. Step 2: Convert to fraction form
   1,044.10/1,440.82 = 602.10/x
3. Step 3: Cross multiply
   1,044.10x = 1,440.82 × 602.10
4. Step 4: Simplify right side
   1,044.10x = 867,517.72
5. Step 5: Solve for x
   x = 867,517.72/1,044.10
6. Step 6: Final answer
   x = 830.88