Finding the Fourth Proportional to 269,579.34, 404,428.55 and 80,055.14

Step by Step Solution

1. Step 1: Write the proportion equation
   269,579.34 : 404,428.55 = 80,055.14 : x
2. Step 2: Convert to fraction form
   269,579.34/404,428.55 = 80,055.14/x
3. Step 3: Cross multiply
   269,579.34x = 404,428.55 × 80,055.14
4. Step 4: Simplify right side
   269,579.34x = 32,376,581,767.83
5. Step 5: Solve for x
   x = 32,376,581,767.83/269,579.34
6. Step 6: Final answer
   x = 120,100.38