Finding the Fourth Proportional to 300,674.87, 451,011.99 and 123,182.20

Step by Step Solution

1. Step 1: Write the proportion equation
   300,674.87 : 451,011.99 = 123,182.20 : x
2. Step 2: Convert to fraction form
   300,674.87/451,011.99 = 123,182.20/x
3. Step 3: Cross multiply
   300,674.87x = 451,011.99 × 123,182.20
4. Step 4: Simplify right side
   300,674.87x = 55,556,646,899.52
5. Step 5: Solve for x
   x = 55,556,646,899.52/300,674.87
6. Step 6: Final answer
   x = 184,773.17