Finding the Fourth Proportional to 1,067.59, 1,472.52 and 818.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,067.59 : 1,472.52 = 818.38 : x
2. Step 2: Convert to fraction form
   1,067.59/1,472.52 = 818.38/x
3. Step 3: Cross multiply
   1,067.59x = 1,472.52 × 818.38
4. Step 4: Simplify right side
   1,067.59x = 1,205,080.92
5. Step 5: Solve for x
   x = 1,205,080.92/1,067.59
6. Step 6: Final answer
   x = 1,128.79