Finding the Fourth Proportional to 37,632.72, 51,935.50 and 20,865.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,632.72 : 51,935.50 = 20,865.72 : x
2. Step 2: Convert to fraction form
   37,632.72/51,935.50 = 20,865.72/x
3. Step 3: Cross multiply
   37,632.72x = 51,935.50 × 20,865.72
4. Step 4: Simplify right side
   37,632.72x = 1,083,671,601.06
5. Step 5: Solve for x
   x = 1,083,671,601.06/37,632.72
6. Step 6: Final answer
   x = 28,795.99