Finding the Fourth Proportional to 269,795.31, 404,597.94 and 89,831.88

Step by Step Solution

1. Step 1: Write the proportion equation
   269,795.31 : 404,597.94 = 89,831.88 : x
2. Step 2: Convert to fraction form
   269,795.31/404,597.94 = 89,831.88/x
3. Step 3: Cross multiply
   269,795.31x = 404,597.94 × 89,831.88
4. Step 4: Simplify right side
   269,795.31x = 36,345,793,594.33
5. Step 5: Solve for x
   x = 36,345,793,594.33/269,795.31
6. Step 6: Final answer
   x = 134,716.18