Finding the Fourth Proportional to 70,940.92, 97,896.72 and 39,109.18

Step by Step Solution

1. Step 1: Write the proportion equation
   70,940.92 : 97,896.72 = 39,109.18 : x
2. Step 2: Convert to fraction form
   70,940.92/97,896.72 = 39,109.18/x
3. Step 3: Cross multiply
   70,940.92x = 97,896.72 × 39,109.18
4. Step 4: Simplify right side
   70,940.92x = 3,828,660,443.89
5. Step 5: Solve for x
   x = 3,828,660,443.89/70,940.92
6. Step 6: Final answer
   x = 53,969.70