Finding the Fourth Proportional to 37,729.48, 52,067.55 and 20,734.78

Step by Step Solution

1. Step 1: Write the proportion equation
   37,729.48 : 52,067.55 = 20,734.78 : x
2. Step 2: Convert to fraction form
   37,729.48/52,067.55 = 20,734.78/x
3. Step 3: Cross multiply
   37,729.48x = 52,067.55 × 20,734.78
4. Step 4: Simplify right side
   37,729.48x = 1,079,609,194.39
5. Step 5: Solve for x
   x = 1,079,609,194.39/37,729.48
6. Step 6: Final answer
   x = 28,614.47