Finding the Fourth Proportional to 298,067.09, 447,100.76 and 73,431.89

Step by Step Solution

1. Step 1: Write the proportion equation
   298,067.09 : 447,100.76 = 73,431.89 : x
2. Step 2: Convert to fraction form
   298,067.09/447,100.76 = 73,431.89/x
3. Step 3: Cross multiply
   298,067.09x = 447,100.76 × 73,431.89
4. Step 4: Simplify right side
   298,067.09x = 32,831,453,827.24
5. Step 5: Solve for x
   x = 32,831,453,827.24/298,067.09
6. Step 6: Final answer
   x = 110,147.87