Finding the Fourth Proportional to 37,057.37, 51,139.17 and 20,061.61

Step by Step Solution

1. Step 1: Write the proportion equation
   37,057.37 : 51,139.17 = 20,061.61 : x
2. Step 2: Convert to fraction form
   37,057.37/51,139.17 = 20,061.61/x
3. Step 3: Cross multiply
   37,057.37x = 51,139.17 × 20,061.61
4. Step 4: Simplify right side
   37,057.37x = 1,025,934,012.84
5. Step 5: Solve for x
   x = 1,025,934,012.84/37,057.37
6. Step 6: Final answer
   x = 27,685.02