Finding the Fourth Proportional to 1,042.76, 1,438.72 and 600.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,042.76 : 1,438.72 = 600.59 : x
2. Step 2: Convert to fraction form
   1,042.76/1,438.72 = 600.59/x
3. Step 3: Cross multiply
   1,042.76x = 1,438.72 × 600.59
4. Step 4: Simplify right side
   1,042.76x = 864,082.94
5. Step 5: Solve for x
   x = 864,082.94/1,042.76
6. Step 6: Final answer
   x = 828.65