Finding the Fourth Proportional to 1,443.83, 1,992.37 and 814.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.83 : 1,992.37 = 814.32 : x
2. Step 2: Convert to fraction form
   1,443.83/1,992.37 = 814.32/x
3. Step 3: Cross multiply
   1,443.83x = 1,992.37 × 814.32
4. Step 4: Simplify right side
   1,443.83x = 1,622,426.74
5. Step 5: Solve for x
   x = 1,622,426.74/1,443.83
6. Step 6: Final answer
   x = 1,123.70