Finding the Fourth Proportional to 37,424.37, 51,645.83 and 20,657.37

Step by Step Solution

1. Step 1: Write the proportion equation
   37,424.37 : 51,645.83 = 20,657.37 : x
2. Step 2: Convert to fraction form
   37,424.37/51,645.83 = 20,657.37/x
3. Step 3: Cross multiply
   37,424.37x = 51,645.83 × 20,657.37
4. Step 4: Simplify right side
   37,424.37x = 1,066,866,915.98
5. Step 5: Solve for x
   x = 1,066,866,915.98/37,424.37
6. Step 6: Final answer
   x = 28,507.28