Finding the Fourth Proportional to 269,818.50, 404,747.37 and 103,606.50

Step by Step Solution

1. Step 1: Write the proportion equation
   269,818.50 : 404,747.37 = 103,606.50 : x
2. Step 2: Convert to fraction form
   269,818.50/404,747.37 = 103,606.50/x
3. Step 3: Cross multiply
   269,818.50x = 404,747.37 × 103,606.50
4. Step 4: Simplify right side
   269,818.50x = 41,934,458,389.91
5. Step 5: Solve for x
   x = 41,934,458,389.91/269,818.50
6. Step 6: Final answer
   x = 155,417.28