Finding the Fourth Proportional to 296,613.72, 444,916.83 and 71,976

Step by Step Solution

1. Step 1: Write the proportion equation
   296,613.72 : 444,916.83 = 71,976 : x
2. Step 2: Convert to fraction form
   296,613.72/444,916.83 = 71,976/x
3. Step 3: Cross multiply
   296,613.72x = 444,916.83 × 71,976
4. Step 4: Simplify right side
   296,613.72x = 32,023,333,756.08
5. Step 5: Solve for x
   x = 32,023,333,756.08/296,613.72
6. Step 6: Final answer
   x = 107,963.09