Finding the Fourth Proportional to 269,906.96, 404,865.24 and 82,920.08

Step by Step Solution

1. Step 1: Write the proportion equation
   269,906.96 : 404,865.24 = 82,920.08 : x
2. Step 2: Convert to fraction form
   269,906.96/404,865.24 = 82,920.08/x
3. Step 3: Cross multiply
   269,906.96x = 404,865.24 × 82,920.08
4. Step 4: Simplify right side
   269,906.96x = 33,571,458,090.02
5. Step 5: Solve for x
   x = 33,571,458,090.02/269,906.96
6. Step 6: Final answer
   x = 124,381.59