Finding the Fourth Proportional to 296,623.72, 444,931.83 and 71,986

Step by Step Solution

1. Step 1: Write the proportion equation
   296,623.72 : 444,931.83 = 71,986 : x
2. Step 2: Convert to fraction form
   296,623.72/444,931.83 = 71,986/x
3. Step 3: Cross multiply
   296,623.72x = 444,931.83 × 71,986
4. Step 4: Simplify right side
   296,623.72x = 32,028,862,714.38
5. Step 5: Solve for x
   x = 32,028,862,714.38/296,623.72
6. Step 6: Final answer
   x = 107,978.09