Finding the Fourth Proportional to 300,992.34, 451,483.92 and 73,290.09

Step by Step Solution

1. Step 1: Write the proportion equation
   300,992.34 : 451,483.92 = 73,290.09 : x
2. Step 2: Convert to fraction form
   300,992.34/451,483.92 = 73,290.09/x
3. Step 3: Cross multiply
   300,992.34x = 451,483.92 × 73,290.09
4. Step 4: Simplify right side
   300,992.34x = 33,089,297,130.35
5. Step 5: Solve for x
   x = 33,089,297,130.35/300,992.34
6. Step 6: Final answer
   x = 109,934.02