Finding the Fourth Proportional to 269,697.86, 404,627.28 and 80,164.52

Step by Step Solution

1. Step 1: Write the proportion equation
   269,697.86 : 404,627.28 = 80,164.52 : x
2. Step 2: Convert to fraction form
   269,697.86/404,627.28 = 80,164.52/x
3. Step 3: Cross multiply
   269,697.86x = 404,627.28 × 80,164.52
4. Step 4: Simplify right side
   269,697.86x = 32,436,751,680.11
5. Step 5: Solve for x
   x = 32,436,751,680.11/269,697.86
6. Step 6: Final answer
   x = 120,270.70