Finding the Fourth Proportional to 300,807.39, 451,268.00 and 120,906.83

Step by Step Solution

1. Step 1: Write the proportion equation
   300,807.39 : 451,268.00 = 120,906.83 : x
2. Step 2: Convert to fraction form
   300,807.39/451,268.00 = 120,906.83/x
3. Step 3: Cross multiply
   300,807.39x = 451,268.00 × 120,906.83
4. Step 4: Simplify right side
   300,807.39x = 54,561,380,499.57
5. Step 5: Solve for x
   x = 54,561,380,499.57/300,807.39
6. Step 6: Final answer
   x = 181,383.11