Finding the Fourth Proportional to 70,145.82, 96,797.25 and 39,938.49

Step by Step Solution

1. Step 1: Write the proportion equation
   70,145.82 : 96,797.25 = 39,938.49 : x
2. Step 2: Convert to fraction form
   70,145.82/96,797.25 = 39,938.49/x
3. Step 3: Cross multiply
   70,145.82x = 96,797.25 × 39,938.49
4. Step 4: Simplify right side
   70,145.82x = 3,865,936,001.15
5. Step 5: Solve for x
   x = 3,865,936,001.15/70,145.82
6. Step 6: Final answer
   x = 55,112.85