Finding the Fourth Proportional to 37,105.79, 51,205.41 and 20,109.56

Step by Step Solution

1. Step 1: Write the proportion equation
   37,105.79 : 51,205.41 = 20,109.56 : x
2. Step 2: Convert to fraction form
   37,105.79/51,205.41 = 20,109.56/x
3. Step 3: Cross multiply
   37,105.79x = 51,205.41 × 20,109.56
4. Step 4: Simplify right side
   37,105.79x = 1,029,718,008.69
5. Step 5: Solve for x
   x = 1,029,718,008.69/37,105.79
6. Step 6: Final answer
   x = 27,750.88