Finding the Fourth Proportional to 37,282.72, 51,449.39 and 20,287.30

Step by Step Solution

1. Step 1: Write the proportion equation
   37,282.72 : 51,449.39 = 20,287.30 : x
2. Step 2: Convert to fraction form
   37,282.72/51,449.39 = 20,287.30/x
3. Step 3: Cross multiply
   37,282.72x = 51,449.39 × 20,287.30
4. Step 4: Simplify right side
   37,282.72x = 1,043,769,030.41
5. Step 5: Solve for x
   x = 1,043,769,030.41/37,282.72
6. Step 6: Final answer
   x = 27,996.06