Finding the Fourth Proportional to 296,983.72, 445,468.83 and 72,345.34

Step by Step Solution

1. Step 1: Write the proportion equation
   296,983.72 : 445,468.83 = 72,345.34 : x
2. Step 2: Convert to fraction form
   296,983.72/445,468.83 = 72,345.34/x
3. Step 3: Cross multiply
   296,983.72x = 445,468.83 × 72,345.34
4. Step 4: Simplify right side
   296,983.72x = 32,227,593,965.75
5. Step 5: Solve for x
   x = 32,227,593,965.75/296,983.72
6. Step 6: Final answer
   x = 108,516.37