Finding the Fourth Proportional to 68,105.94, 93,972.06 and 39,806.16

Step by Step Solution

1. Step 1: Write the proportion equation
   68,105.94 : 93,972.06 = 39,806.16 : x
2. Step 2: Convert to fraction form
   68,105.94/93,972.06 = 39,806.16/x
3. Step 3: Cross multiply
   68,105.94x = 93,972.06 × 39,806.16
4. Step 4: Simplify right side
   68,105.94x = 3,740,666,855.89
5. Step 5: Solve for x
   x = 3,740,666,855.89/68,105.94
6. Step 6: Final answer
   x = 54,924.24