Finding the Fourth Proportional to 37,662.97, 51,974.75 and 20,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,662.97 : 51,974.75 = 20,667.50 : x
2. Step 2: Convert to fraction form
   37,662.97/51,974.75 = 20,667.50/x
3. Step 3: Cross multiply
   37,662.97x = 51,974.75 × 20,667.50
4. Step 4: Simplify right side
   37,662.97x = 1,074,187,885.75
5. Step 5: Solve for x
   x = 1,074,187,885.75/37,662.97
6. Step 6: Final answer
   x = 28,521.07