Finding the Fourth Proportional to 70,016.82, 96,631.52 and 39,806.70

Step by Step Solution

1. Step 1: Write the proportion equation
   70,016.82 : 96,631.52 = 39,806.70 : x
2. Step 2: Convert to fraction form
   70,016.82/96,631.52 = 39,806.70/x
3. Step 3: Cross multiply
   70,016.82x = 96,631.52 × 39,806.70
4. Step 4: Simplify right side
   70,016.82x = 3,846,581,728.15
5. Step 5: Solve for x
   x = 3,846,581,728.15/70,016.82
6. Step 6: Final answer
   x = 54,937.97