Finding the Fourth Proportional to 300,618.84, 450,914.22 and 123,081.96

Step by Step Solution

1. Step 1: Write the proportion equation
   300,618.84 : 450,914.22 = 123,081.96 : x
2. Step 2: Convert to fraction form
   300,618.84/450,914.22 = 123,081.96/x
3. Step 3: Cross multiply
   300,618.84x = 450,914.22 × 123,081.96
4. Step 4: Simplify right side
   300,618.84x = 55,499,405,989.47
5. Step 5: Solve for x
   x = 55,499,405,989.47/300,618.84
6. Step 6: Final answer
   x = 184,617.19