Finding the Fourth Proportional to 37,408.87, 51,622.81 and 20,641.87

Step by Step Solution

1. Step 1: Write the proportion equation
   37,408.87 : 51,622.81 = 20,641.87 : x
2. Step 2: Convert to fraction form
   37,408.87/51,622.81 = 20,641.87/x
3. Step 3: Cross multiply
   37,408.87x = 51,622.81 × 20,641.87
4. Step 4: Simplify right side
   37,408.87x = 1,065,591,333.05
5. Step 5: Solve for x
   x = 1,065,591,333.05/37,408.87
6. Step 6: Final answer
   x = 28,484.99