Finding the Fourth Proportional to 269,816.50, 404,744.37 and 103,604.50

Step by Step Solution

1. Step 1: Write the proportion equation
   269,816.50 : 404,744.37 = 103,604.50 : x
2. Step 2: Convert to fraction form
   269,816.50/404,744.37 = 103,604.50/x
3. Step 3: Cross multiply
   269,816.50x = 404,744.37 × 103,604.50
4. Step 4: Simplify right side
   269,816.50x = 41,933,338,081.67
5. Step 5: Solve for x
   x = 41,933,338,081.67/269,816.50
6. Step 6: Final answer
   x = 155,414.28