Finding the Fourth Proportional to 37,938.69, 52,355.07 and 20,942.94

Step by Step Solution

1. Step 1: Write the proportion equation
   37,938.69 : 52,355.07 = 20,942.94 : x
2. Step 2: Convert to fraction form
   37,938.69/52,355.07 = 20,942.94/x
3. Step 3: Cross multiply
   37,938.69x = 52,355.07 × 20,942.94
4. Step 4: Simplify right side
   37,938.69x = 1,096,469,089.71
5. Step 5: Solve for x
   x = 1,096,469,089.71/37,938.69
6. Step 6: Final answer
   x = 28,901.08