Finding the Fourth Proportional to 70,993.31, 97,970.78 and 39,162.29

Step by Step Solution

1. Step 1: Write the proportion equation
   70,993.31 : 97,970.78 = 39,162.29 : x
2. Step 2: Convert to fraction form
   70,993.31/97,970.78 = 39,162.29/x
3. Step 3: Cross multiply
   70,993.31x = 97,970.78 × 39,162.29
4. Step 4: Simplify right side
   70,993.31x = 3,836,759,902.07
5. Step 5: Solve for x
   x = 3,836,759,902.07/70,993.31
6. Step 6: Final answer
   x = 54,043.96