Finding the Fourth Proportional to 67,912.16, 93,724.72 and 39,626.96

Step by Step Solution

1. Step 1: Write the proportion equation
   67,912.16 : 93,724.72 = 39,626.96 : x
2. Step 2: Convert to fraction form
   67,912.16/93,724.72 = 39,626.96/x
3. Step 3: Cross multiply
   67,912.16x = 93,724.72 × 39,626.96
4. Step 4: Simplify right side
   67,912.16x = 3,714,025,730.45
5. Step 5: Solve for x
   x = 3,714,025,730.45/67,912.16
6. Step 6: Final answer
   x = 54,688.67