Finding the Fourth Proportional to 269,761.50, 404,661.70 and 103,549.50

Step by Step Solution

1. Step 1: Write the proportion equation
   269,761.50 : 404,661.70 = 103,549.50 : x
2. Step 2: Convert to fraction form
   269,761.50/404,661.70 = 103,549.50/x
3. Step 3: Cross multiply
   269,761.50x = 404,661.70 × 103,549.50
4. Step 4: Simplify right side
   269,761.50x = 41,902,516,704.15
5. Step 5: Solve for x
   x = 41,902,516,704.15/269,761.50
6. Step 6: Final answer
   x = 155,331.72