Finding the Fourth Proportional to 1,665.33, 2,296.86 and 1,067.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.33 : 2,296.86 = 1,067.88 : x
2. Step 2: Convert to fraction form
   1,665.33/2,296.86 = 1,067.88/x
3. Step 3: Cross multiply
   1,665.33x = 2,296.86 × 1,067.88
4. Step 4: Simplify right side
   1,665.33x = 2,452,768.19
5. Step 5: Solve for x
   x = 2,452,768.19/1,665.33
6. Step 6: Final answer
   x = 1,472.84