Finding the Fourth Proportional to 37,282.89, 51,449.61 and 20,287.47

Step by Step Solution

1. Step 1: Write the proportion equation
   37,282.89 : 51,449.61 = 20,287.47 : x
2. Step 2: Convert to fraction form
   37,282.89/51,449.61 = 20,287.47/x
3. Step 3: Cross multiply
   37,282.89x = 51,449.61 × 20,287.47
4. Step 4: Simplify right side
   37,282.89x = 1,043,782,419.39
5. Step 5: Solve for x
   x = 1,043,782,419.39/37,282.89
6. Step 6: Final answer
   x = 27,996.29