Finding the Fourth Proportional to 814.34, 1,227.89 and 746.30

Step by Step Solution

1. Step 1: Write the proportion equation
   814.34 : 1,227.89 = 746.30 : x
2. Step 2: Convert to fraction form
   814.34/1,227.89 = 746.30/x
3. Step 3: Cross multiply
   814.34x = 1,227.89 × 746.30
4. Step 4: Simplify right side
   814.34x = 916,374.31
5. Step 5: Solve for x
   x = 916,374.31/814.34
6. Step 6: Final answer
   x = 1,125.30