Finding the Fourth Proportional to 37,287.29, 51,456.44 and 20,520.29

Step by Step Solution

1. Step 1: Write the proportion equation
   37,287.29 : 51,456.44 = 20,520.29 : x
2. Step 2: Convert to fraction form
   37,287.29/51,456.44 = 20,520.29/x
3. Step 3: Cross multiply
   37,287.29x = 51,456.44 × 20,520.29
4. Step 4: Simplify right side
   37,287.29x = 1,055,900,711.28
5. Step 5: Solve for x
   x = 1,055,900,711.28/37,287.29
6. Step 6: Final answer
   x = 28,317.98