Finding the Fourth Proportional to 309,505.83, 464,105.55 and 109,796.28

Step by Step Solution

1. Step 1: Write the proportion equation
   309,505.83 : 464,105.55 = 109,796.28 : x
2. Step 2: Convert to fraction form
   309,505.83/464,105.55 = 109,796.28/x
3. Step 3: Cross multiply
   309,505.83x = 464,105.55 × 109,796.28
4. Step 4: Simplify right side
   309,505.83x = 50,957,062,917.35
5. Step 5: Solve for x
   x = 50,957,062,917.35/309,505.83
6. Step 6: Final answer
   x = 164,640.07