Finding the Fourth Proportional to 404,067.60, 605,955.60 and 164,080.80

Step by Step Solution

1. Step 1: Write the proportion equation
   404,067.60 : 605,955.60 = 164,080.80 : x
2. Step 2: Convert to fraction form
   404,067.60/605,955.60 = 164,080.80/x
3. Step 3: Cross multiply
   404,067.60x = 605,955.60 × 164,080.80
4. Step 4: Simplify right side
   404,067.60x = 99,425,679,612.48
5. Step 5: Solve for x
   x = 99,425,679,612.48/404,067.60
6. Step 6: Final answer
   x = 246,061.99