Finding the Fourth Proportional to 1,022.04, 1,410.42 and 579.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,022.04 : 1,410.42 = 579.93 : x
2. Step 2: Convert to fraction form
   1,022.04/1,410.42 = 579.93/x
3. Step 3: Cross multiply
   1,022.04x = 1,410.42 × 579.93
4. Step 4: Simplify right side
   1,022.04x = 817,944.87
5. Step 5: Solve for x
   x = 817,944.87/1,022.04
6. Step 6: Final answer
   x = 800.31