Finding the Fourth Proportional to 70,949.43, 97,914.72 and 39,121.29

Step by Step Solution

1. Step 1: Write the proportion equation
   70,949.43 : 97,914.72 = 39,121.29 : x
2. Step 2: Convert to fraction form
   70,949.43/97,914.72 = 39,121.29/x
3. Step 3: Cross multiply
   70,949.43x = 97,914.72 × 39,121.29
4. Step 4: Simplify right side
   70,949.43x = 3,830,550,156.39
5. Step 5: Solve for x
   x = 3,830,550,156.39/70,949.43
6. Step 6: Final answer
   x = 53,989.87