Finding the Fourth Proportional to 269,868.02, 404,731.38 and 80,277.31

Step by Step Solution

1. Step 1: Write the proportion equation
   269,868.02 : 404,731.38 = 80,277.31 : x
2. Step 2: Convert to fraction form
   269,868.02/404,731.38 = 80,277.31/x
3. Step 3: Cross multiply
   269,868.02x = 404,731.38 × 80,277.31
4. Step 4: Simplify right side
   269,868.02x = 32,490,744,435.33
5. Step 5: Solve for x
   x = 32,490,744,435.33/269,868.02
6. Step 6: Final answer
   x = 120,394.94