Finding the Fourth Proportional to 89,906.37, 134,866.17 and 25,861.92

Step by Step Solution

1. Step 1: Write the proportion equation
   89,906.37 : 134,866.17 = 25,861.92 : x
2. Step 2: Convert to fraction form
   89,906.37/134,866.17 = 25,861.92/x
3. Step 3: Cross multiply
   89,906.37x = 134,866.17 × 25,861.92
4. Step 4: Simplify right side
   89,906.37x = 3,487,898,099.25
5. Step 5: Solve for x
   x = 3,487,898,099.25/89,906.37
6. Step 6: Final answer
   x = 38,794.78