Finding the Fourth Proportional to 269,573.89, 404,291.61 and 79,989.41

Step by Step Solution

1. Step 1: Write the proportion equation
   269,573.89 : 404,291.61 = 79,989.41 : x
2. Step 2: Convert to fraction form
   269,573.89/404,291.61 = 79,989.41/x
3. Step 3: Cross multiply
   269,573.89x = 404,291.61 × 79,989.41
4. Step 4: Simplify right side
   269,573.89x = 32,339,048,362.58
5. Step 5: Solve for x
   x = 32,339,048,362.58/269,573.89
6. Step 6: Final answer
   x = 119,963.58