Finding the Fourth Proportional to 73,296.72, 109,960.02 and 31,176.72

Step by Step Solution

1. Step 1: Write the proportion equation
   73,296.72 : 109,960.02 = 31,176.72 : x
2. Step 2: Convert to fraction form
   73,296.72/109,960.02 = 31,176.72/x
3. Step 3: Cross multiply
   73,296.72x = 109,960.02 × 31,176.72
4. Step 4: Simplify right side
   73,296.72x = 3,428,192,754.73
5. Step 5: Solve for x
   x = 3,428,192,754.73/73,296.72
6. Step 6: Final answer
   x = 46,771.43