Finding the Fourth Proportional to 269,755.38, 404,881.56 and 136,729.98

Step by Step Solution

1. Step 1: Write the proportion equation
   269,755.38 : 404,881.56 = 136,729.98 : x
2. Step 2: Convert to fraction form
   269,755.38/404,881.56 = 136,729.98/x
3. Step 3: Cross multiply
   269,755.38x = 404,881.56 × 136,729.98
4. Step 4: Simplify right side
   269,755.38x = 55,359,447,601.17
5. Step 5: Solve for x
   x = 55,359,447,601.17/269,755.38
6. Step 6: Final answer
   x = 205,220.92