Finding the Fourth Proportional to 814.25, 1,123.67 and 784.82

Step by Step Solution

1. Step 1: Write the proportion equation
   814.25 : 1,123.67 = 784.82 : x
2. Step 2: Convert to fraction form
   814.25/1,123.67 = 784.82/x
3. Step 3: Cross multiply
   814.25x = 1,123.67 × 784.82
4. Step 4: Simplify right side
   814.25x = 881,883.46
5. Step 5: Solve for x
   x = 881,883.46/814.25
6. Step 6: Final answer
   x = 1,083.06