Finding the Fourth Proportional to 1,066.15, 1,471.31 and 594.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066.15 : 1,471.31 = 594.01 : x
2. Step 2: Convert to fraction form
   1,066.15/1,471.31 = 594.01/x
3. Step 3: Cross multiply
   1,066.15x = 1,471.31 × 594.01
4. Step 4: Simplify right side
   1,066.15x = 873,972.85
5. Step 5: Solve for x
   x = 873,972.85/1,066.15
6. Step 6: Final answer
   x = 819.75