Finding the Fourth Proportional to 1,066.18, 1,471.28 and 594.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066.18 : 1,471.28 = 594.05 : x
2. Step 2: Convert to fraction form
   1,066.18/1,471.28 = 594.05/x
3. Step 3: Cross multiply
   1,066.18x = 1,471.28 × 594.05
4. Step 4: Simplify right side
   1,066.18x = 874,015.37
5. Step 5: Solve for x
   x = 874,015.37/1,066.18
6. Step 6: Final answer
   x = 819.76