Finding the Fourth Proportional to 129,997.50, 194,971.59 and 63,370.62

Step by Step Solution

1. Step 1: Write the proportion equation
   129,997.50 : 194,971.59 = 63,370.62 : x
2. Step 2: Convert to fraction form
   129,997.50/194,971.59 = 63,370.62/x
3. Step 3: Cross multiply
   129,997.50x = 194,971.59 × 63,370.62
4. Step 4: Simplify right side
   129,997.50x = 12,355,470,540.69
5. Step 5: Solve for x
   x = 12,355,470,540.69/129,997.50
6. Step 6: Final answer
   x = 95,043.91