Finding the Fourth Proportional to 300,016.10, 450,075.99 and 122,619.62

Step by Step Solution

1. Step 1: Write the proportion equation
   300,016.10 : 450,075.99 = 122,619.62 : x
2. Step 2: Convert to fraction form
   300,016.10/450,075.99 = 122,619.62/x
3. Step 3: Cross multiply
   300,016.10x = 450,075.99 × 122,619.62
4. Step 4: Simplify right side
   300,016.10x = 55,188,146,864.92
5. Step 5: Solve for x
   x = 55,188,146,864.92/300,016.10
6. Step 6: Final answer
   x = 183,950.62