Finding the Fourth Proportional to 1,045.10, 1,442.22 and 579.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045.10 : 1,442.22 = 579.34 : x
2. Step 2: Convert to fraction form
   1,045.10/1,442.22 = 579.34/x
3. Step 3: Cross multiply
   1,045.10x = 1,442.22 × 579.34
4. Step 4: Simplify right side
   1,045.10x = 835,535.73
5. Step 5: Solve for x
   x = 835,535.73/1,045.10
6. Step 6: Final answer
   x = 799.48