Finding the Fourth Proportional to 70,685.82, 97,546.50 and 38,856.81

Step by Step Solution

1. Step 1: Write the proportion equation
   70,685.82 : 97,546.50 = 38,856.81 : x
2. Step 2: Convert to fraction form
   70,685.82/97,546.50 = 38,856.81/x
3. Step 3: Cross multiply
   70,685.82x = 97,546.50 × 38,856.81
4. Step 4: Simplify right side
   70,685.82x = 3,790,345,816.67
5. Step 5: Solve for x
   x = 3,790,345,816.67/70,685.82
6. Step 6: Final answer
   x = 53,622.44