Finding the Fourth Proportional to 269,725.50, 404,607.69 and 103,513.50

Step by Step Solution

1. Step 1: Write the proportion equation
   269,725.50 : 404,607.69 = 103,513.50 : x
2. Step 2: Convert to fraction form
   269,725.50/404,607.69 = 103,513.50/x
3. Step 3: Cross multiply
   269,725.50x = 404,607.69 × 103,513.50
4. Step 4: Simplify right side
   269,725.50x = 41,882,358,118.82
5. Step 5: Solve for x
   x = 41,882,358,118.82/269,725.50
6. Step 6: Final answer
   x = 155,277.71