Finding the Fourth Proportional to 269,799.48, 404,947.62 and 136,772.82

Step by Step Solution

1. Step 1: Write the proportion equation
   269,799.48 : 404,947.62 = 136,772.82 : x
2. Step 2: Convert to fraction form
   269,799.48/404,947.62 = 136,772.82/x
3. Step 3: Cross multiply
   269,799.48x = 404,947.62 × 136,772.82
4. Step 4: Simplify right side
   269,799.48x = 55,385,827,939.69
5. Step 5: Solve for x
   x = 55,385,827,939.69/269,799.48
6. Step 6: Final answer
   x = 205,285.15