Finding the Fourth Proportional to 1,227.27, 1,839.59 and 534.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,227.27 : 1,839.59 = 534.32 : x
2. Step 2: Convert to fraction form
   1,227.27/1,839.59 = 534.32/x
3. Step 3: Cross multiply
   1,227.27x = 1,839.59 × 534.32
4. Step 4: Simplify right side
   1,227.27x = 982,929.73
5. Step 5: Solve for x
   x = 982,929.73/1,227.27
6. Step 6: Final answer
   x = 800.91