Finding the Fourth Proportional to 37,640.69, 51,944.15 and 20,873.69

Step by Step Solution

1. Step 1: Write the proportion equation
   37,640.69 : 51,944.15 = 20,873.69 : x
2. Step 2: Convert to fraction form
   37,640.69/51,944.15 = 20,873.69/x
3. Step 3: Cross multiply
   37,640.69x = 51,944.15 × 20,873.69
4. Step 4: Simplify right side
   37,640.69x = 1,084,266,084.41
5. Step 5: Solve for x
   x = 1,084,266,084.41/37,640.69
6. Step 6: Final answer
   x = 28,805.69