Finding the Fourth Proportional to 67,964.85, 101,863.98 and 30,515.31

Step by Step Solution

1. Step 1: Write the proportion equation
   67,964.85 : 101,863.98 = 30,515.31 : x
2. Step 2: Convert to fraction form
   67,964.85/101,863.98 = 30,515.31/x
3. Step 3: Cross multiply
   67,964.85x = 101,863.98 × 30,515.31
4. Step 4: Simplify right side
   67,964.85x = 3,108,410,927.53
5. Step 5: Solve for x
   x = 3,108,410,927.53/67,964.85
6. Step 6: Final answer
   x = 45,735.57