Finding the Fourth Proportional to 70,994.48, 97,971.92 and 39,162.72

Step by Step Solution

1. Step 1: Write the proportion equation
   70,994.48 : 97,971.92 = 39,162.72 : x
2. Step 2: Convert to fraction form
   70,994.48/97,971.92 = 39,162.72/x
3. Step 3: Cross multiply
   70,994.48x = 97,971.92 × 39,162.72
4. Step 4: Simplify right side
   70,994.48x = 3,836,846,870.82
5. Step 5: Solve for x
   x = 3,836,846,870.82/70,994.48
6. Step 6: Final answer
   x = 54,044.30