Finding the Fourth Proportional to 37,408.50, 51,623.73 and 20,641.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,408.50 : 51,623.73 = 20,641.50 : x
2. Step 2: Convert to fraction form
   37,408.50/51,623.73 = 20,641.50/x
3. Step 3: Cross multiply
   37,408.50x = 51,623.73 × 20,641.50
4. Step 4: Simplify right side
   37,408.50x = 1,065,591,222.80
5. Step 5: Solve for x
   x = 1,065,591,222.80/37,408.50
6. Step 6: Final answer
   x = 28,485.27