Finding the Fourth Proportional to 1,066.08, 1,597.89 and 579.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066.08 : 1,597.89 = 579.54 : x
2. Step 2: Convert to fraction form
   1,066.08/1,597.89 = 579.54/x
3. Step 3: Cross multiply
   1,066.08x = 1,597.89 × 579.54
4. Step 4: Simplify right side
   1,066.08x = 926,041.17
5. Step 5: Solve for x
   x = 926,041.17/1,066.08
6. Step 6: Final answer
   x = 868.64