Finding the Fourth Proportional to 269,743.50, 404,634.69 and 103,531.50

Step by Step Solution

1. Step 1: Write the proportion equation
   269,743.50 : 404,634.69 = 103,531.50 : x
2. Step 2: Convert to fraction form
   269,743.50/404,634.69 = 103,531.50/x
3. Step 3: Cross multiply
   269,743.50x = 404,634.69 × 103,531.50
4. Step 4: Simplify right side
   269,743.50x = 41,892,436,407.74
5. Step 5: Solve for x
   x = 41,892,436,407.74/269,743.50
6. Step 6: Final answer
   x = 155,304.71