Finding the Fourth Proportional to 73,849.50, 101,912.31 and 40,315.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,849.50 : 101,912.31 = 40,315.50 : x
2. Step 2: Convert to fraction form
   73,849.50/101,912.31 = 40,315.50/x
3. Step 3: Cross multiply
   73,849.50x = 101,912.31 × 40,315.50
4. Step 4: Simplify right side
   73,849.50x = 4,108,645,733.81
5. Step 5: Solve for x
   x = 4,108,645,733.81/73,849.50
6. Step 6: Final answer
   x = 55,635.39