Finding the Fourth Proportional to 296,622.72, 444,930.33 and 71,985

Step by Step Solution

1. Step 1: Write the proportion equation
   296,622.72 : 444,930.33 = 71,985 : x
2. Step 2: Convert to fraction form
   296,622.72/444,930.33 = 71,985/x
3. Step 3: Cross multiply
   296,622.72x = 444,930.33 × 71,985
4. Step 4: Simplify right side
   296,622.72x = 32,028,309,805.05
5. Step 5: Solve for x
   x = 32,028,309,805.05/296,622.72
6. Step 6: Final answer
   x = 107,976.59