Finding the Fourth Proportional to 992.00, 1,366.25 and 842.42

Step by Step Solution

1. Step 1: Write the proportion equation
   992.00 : 1,366.25 = 842.42 : x
2. Step 2: Convert to fraction form
   992.00/1,366.25 = 842.42/x
3. Step 3: Cross multiply
   992.00x = 1,366.25 × 842.42
4. Step 4: Simplify right side
   992.00x = 1,150,945.28
5. Step 5: Solve for x
   x = 1,150,945.28/992.00
6. Step 6: Final answer
   x = 1,160.23