Finding the Fourth Proportional to 1,045.02, 1,442.16 and 579.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045.02 : 1,442.16 = 579.27 : x
2. Step 2: Convert to fraction form
   1,045.02/1,442.16 = 579.27/x
3. Step 3: Cross multiply
   1,045.02x = 1,442.16 × 579.27
4. Step 4: Simplify right side
   1,045.02x = 835,400.02
5. Step 5: Solve for x
   x = 835,400.02/1,045.02
6. Step 6: Final answer
   x = 799.41