Finding the Fourth Proportional to 37,906.37, 52,311.39 and 20,910.31

Step by Step Solution

1. Step 1: Write the proportion equation
   37,906.37 : 52,311.39 = 20,910.31 : x
2. Step 2: Convert to fraction form
   37,906.37/52,311.39 = 20,910.31/x
3. Step 3: Cross multiply
   37,906.37x = 52,311.39 × 20,910.31
4. Step 4: Simplify right side
   37,906.37x = 1,093,847,119.87
5. Step 5: Solve for x
   x = 1,093,847,119.87/37,906.37
6. Step 6: Final answer
   x = 28,856.56