Finding the Fourth Proportional to 37,661.24, 51,970.76 and 20,665.06

Step by Step Solution

1. Step 1: Write the proportion equation
   37,661.24 : 51,970.76 = 20,665.06 : x
2. Step 2: Convert to fraction form
   37,661.24/51,970.76 = 20,665.06/x
3. Step 3: Cross multiply
   37,661.24x = 51,970.76 × 20,665.06
4. Step 4: Simplify right side
   37,661.24x = 1,073,978,873.65
5. Step 5: Solve for x
   x = 1,073,978,873.65/37,661.24
6. Step 6: Final answer
   x = 28,516.82