Finding the Fourth Proportional to 1,326.69, 1,829.79 and 883.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,326.69 : 1,829.79 = 883.83 : x
2. Step 2: Convert to fraction form
   1,326.69/1,829.79 = 883.83/x
3. Step 3: Cross multiply
   1,326.69x = 1,829.79 × 883.83
4. Step 4: Simplify right side
   1,326.69x = 1,617,223.30
5. Step 5: Solve for x
   x = 1,617,223.30/1,326.69
6. Step 6: Final answer
   x = 1,218.99