Finding the Fourth Proportional to 300,805.72, 451,200.07 and 101,137.48

Step by Step Solution

1. Step 1: Write the proportion equation
   300,805.72 : 451,200.07 = 101,137.48 : x
2. Step 2: Convert to fraction form
   300,805.72/451,200.07 = 101,137.48/x
3. Step 3: Cross multiply
   300,805.72x = 451,200.07 × 101,137.48
4. Step 4: Simplify right side
   300,805.72x = 45,633,238,055.62
5. Step 5: Solve for x
   x = 45,633,238,055.62/300,805.72
6. Step 6: Final answer
   x = 151,703.36