Finding the Fourth Proportional to 92,940.56, 139,410.56 and 26,380.76

Step by Step Solution

1. Step 1: Write the proportion equation
   92,940.56 : 139,410.56 = 26,380.76 : x
2. Step 2: Convert to fraction form
   92,940.56/139,410.56 = 26,380.76/x
3. Step 3: Cross multiply
   92,940.56x = 139,410.56 × 26,380.76
4. Step 4: Simplify right side
   92,940.56x = 3,677,755,893.72
5. Step 5: Solve for x
   x = 3,677,755,893.72/92,940.56
6. Step 6: Final answer
   x = 39,571.05