Finding the Fourth Proportional to 1,128.24, 1,700.46 and 1,067.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,128.24 : 1,700.46 = 1,067.76 : x
2. Step 2: Convert to fraction form
   1,128.24/1,700.46 = 1,067.76/x
3. Step 3: Cross multiply
   1,128.24x = 1,700.46 × 1,067.76
4. Step 4: Simplify right side
   1,128.24x = 1,815,683.17
5. Step 5: Solve for x
   x = 1,815,683.17/1,128.24
6. Step 6: Final answer
   x = 1,609.31