Finding the Fourth Proportional to 225,896.69, 338,844.50 and 124,689.89

Step by Step Solution

1. Step 1: Write the proportion equation
   225,896.69 : 338,844.50 = 124,689.89 : x
2. Step 2: Convert to fraction form
   225,896.69/338,844.50 = 124,689.89/x
3. Step 3: Cross multiply
   225,896.69x = 338,844.50 × 124,689.89
4. Step 4: Simplify right side
   225,896.69x = 42,250,484,123.35
5. Step 5: Solve for x
   x = 42,250,484,123.35/225,896.69
6. Step 6: Final answer
   x = 187,034.54