Finding the Fourth Proportional to 1,066.24, 1,597.27 and 699.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066.24 : 1,597.27 = 699.91 : x
2. Step 2: Convert to fraction form
   1,066.24/1,597.27 = 699.91/x
3. Step 3: Cross multiply
   1,066.24x = 1,597.27 × 699.91
4. Step 4: Simplify right side
   1,066.24x = 1,117,945.25
5. Step 5: Solve for x
   x = 1,117,945.25/1,066.24
6. Step 6: Final answer
   x = 1,048.49