Finding the Fourth Proportional to 37,665.02, 51,978.24 and 20,669

Step by Step Solution

1. Step 1: Write the proportion equation
   37,665.02 : 51,978.24 = 20,669 : x
2. Step 2: Convert to fraction form
   37,665.02/51,978.24 = 20,669/x
3. Step 3: Cross multiply
   37,665.02x = 51,978.24 × 20,669
4. Step 4: Simplify right side
   37,665.02x = 1,074,338,242.56
5. Step 5: Solve for x
   x = 1,074,338,242.56/37,665.02
6. Step 6: Final answer
   x = 28,523.50