Finding the Fourth Proportional to 1,066.95, 1,597.47 and 806.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066.95 : 1,597.47 = 806.18 : x
2. Step 2: Convert to fraction form
   1,066.95/1,597.47 = 806.18/x
3. Step 3: Cross multiply
   1,066.95x = 1,597.47 × 806.18
4. Step 4: Simplify right side
   1,066.95x = 1,287,840.38
5. Step 5: Solve for x
   x = 1,287,840.38/1,066.95
6. Step 6: Final answer
   x = 1,207.03