Finding the Fourth Proportional to 37,734.05, 52,072.72 and 20,738.45

Step by Step Solution

1. Step 1: Write the proportion equation
   37,734.05 : 52,072.72 = 20,738.45 : x
2. Step 2: Convert to fraction form
   37,734.05/52,072.72 = 20,738.45/x
3. Step 3: Cross multiply
   37,734.05x = 52,072.72 × 20,738.45
4. Step 4: Simplify right side
   37,734.05x = 1,079,907,187.87
5. Step 5: Solve for x
   x = 1,079,907,187.87/37,734.05
6. Step 6: Final answer
   x = 28,618.91