Finding the Fourth Proportional to 37,633.56, 51,931.98 and 20,866.56

Step by Step Solution

1. Step 1: Write the proportion equation
   37,633.56 : 51,931.98 = 20,866.56 : x
2. Step 2: Convert to fraction form
   37,633.56/51,931.98 = 20,866.56/x
3. Step 3: Cross multiply
   37,633.56x = 51,931.98 × 20,866.56
4. Step 4: Simplify right side
   37,633.56x = 1,083,641,776.59
5. Step 5: Solve for x
   x = 1,083,641,776.59/37,633.56
6. Step 6: Final answer
   x = 28,794.56