Finding the Fourth Proportional to 37,660.86, 51,970.25 and 20,664.69

Step by Step Solution

1. Step 1: Write the proportion equation
   37,660.86 : 51,970.25 = 20,664.69 : x
2. Step 2: Convert to fraction form
   37,660.86/51,970.25 = 20,664.69/x
3. Step 3: Cross multiply
   37,660.86x = 51,970.25 × 20,664.69
4. Step 4: Simplify right side
   37,660.86x = 1,073,949,105.47
5. Step 5: Solve for x
   x = 1,073,949,105.47/37,660.86
6. Step 6: Final answer
   x = 28,516.32