Finding the Fourth Proportional to 269,825.50, 404,757.88 and 103,613.50

Step by Step Solution

1. Step 1: Write the proportion equation
   269,825.50 : 404,757.88 = 103,613.50 : x
2. Step 2: Convert to fraction form
   269,825.50/404,757.88 = 103,613.50/x
3. Step 3: Cross multiply
   269,825.50x = 404,757.88 × 103,613.50
4. Step 4: Simplify right side
   269,825.50x = 41,938,380,599.38
5. Step 5: Solve for x
   x = 41,938,380,599.38/269,825.50
6. Step 6: Final answer
   x = 155,427.79