Finding the Fourth Proportional to 78,493.24, 117,743.94 and 25,906.84

Step by Step Solution

1. Step 1: Write the proportion equation
   78,493.24 : 117,743.94 = 25,906.84 : x
2. Step 2: Convert to fraction form
   78,493.24/117,743.94 = 25,906.84/x
3. Step 3: Cross multiply
   78,493.24x = 117,743.94 × 25,906.84
4. Step 4: Simplify right side
   78,493.24x = 3,050,373,414.55
5. Step 5: Solve for x
   x = 3,050,373,414.55/78,493.24
6. Step 6: Final answer
   x = 38,861.61