Finding the Fourth Proportional to 37,782.39, 52,139.69 and 20,786.27

Step by Step Solution

1. Step 1: Write the proportion equation
   37,782.39 : 52,139.69 = 20,786.27 : x
2. Step 2: Convert to fraction form
   37,782.39/52,139.69 = 20,786.27/x
3. Step 3: Cross multiply
   37,782.39x = 52,139.69 × 20,786.27
4. Step 4: Simplify right side
   37,782.39x = 1,083,789,739.12
5. Step 5: Solve for x
   x = 1,083,789,739.12/37,782.39
6. Step 6: Final answer
   x = 28,685.05