Finding the Fourth Proportional to 70,994.31, 97,969.17 and 39,162.51

Step by Step Solution

1. Step 1: Write the proportion equation
   70,994.31 : 97,969.17 = 39,162.51 : x
2. Step 2: Convert to fraction form
   70,994.31/97,969.17 = 39,162.51/x
3. Step 3: Cross multiply
   70,994.31x = 97,969.17 × 39,162.51
4. Step 4: Simplify right side
   70,994.31x = 3,836,718,599.82
5. Step 5: Solve for x
   x = 3,836,718,599.82/70,994.31
6. Step 6: Final answer
   x = 54,042.62