Finding the Fourth Proportional to 37,141.89, 55,721.49 and 20,497.92

Step by Step Solution

1. Step 1: Write the proportion equation
   37,141.89 : 55,721.49 = 20,497.92 : x
2. Step 2: Convert to fraction form
   37,141.89/55,721.49 = 20,497.92/x
3. Step 3: Cross multiply
   37,141.89x = 55,721.49 × 20,497.92
4. Step 4: Simplify right side
   37,141.89x = 1,142,174,644.30
5. Step 5: Solve for x
   x = 1,142,174,644.30/37,141.89
6. Step 6: Final answer
   x = 30,751.66