Finding the Fourth Proportional to 1,066.58, 1,471.90 and 594.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066.58 : 1,471.90 = 594.51 : x
2. Step 2: Convert to fraction form
   1,066.58/1,471.90 = 594.51/x
3. Step 3: Cross multiply
   1,066.58x = 1,471.90 × 594.51
4. Step 4: Simplify right side
   1,066.58x = 875,059.27
5. Step 5: Solve for x
   x = 875,059.27/1,066.58
6. Step 6: Final answer
   x = 820.43