Finding the Fourth Proportional to 824,141.42, 1,236,012.33 and 225,105.38

Step by Step Solution

1. Step 1: Write the proportion equation
   824,141.42 : 1,236,012.33 = 225,105.38 : x
2. Step 2: Convert to fraction form
   824,141.42/1,236,012.33 = 225,105.38/x
3. Step 3: Cross multiply
   824,141.42x = 1,236,012.33 × 225,105.38
4. Step 4: Simplify right side
   824,141.42x = 278,233,025,229.34
5. Step 5: Solve for x
   x = 278,233,025,229.34/824,141.42
6. Step 6: Final answer
   x = 337,603.50