Finding the Fourth Proportional to 300,181.32, 450,271.89 and 113,149.08

Step by Step Solution

1. Step 1: Write the proportion equation
   300,181.32 : 450,271.89 = 113,149.08 : x
2. Step 2: Convert to fraction form
   300,181.32/450,271.89 = 113,149.08/x
3. Step 3: Cross multiply
   300,181.32x = 450,271.89 × 113,149.08
4. Step 4: Simplify right side
   300,181.32x = 50,947,850,103.36
5. Step 5: Solve for x
   x = 50,947,850,103.36/300,181.32
6. Step 6: Final answer
   x = 169,723.59