Finding the Fourth Proportional to 37,938.22, 52,354.76 and 20,942.48

Step by Step Solution

1. Step 1: Write the proportion equation
   37,938.22 : 52,354.76 = 20,942.48 : x
2. Step 2: Convert to fraction form
   37,938.22/52,354.76 = 20,942.48/x
3. Step 3: Cross multiply
   37,938.22x = 52,354.76 × 20,942.48
4. Step 4: Simplify right side
   37,938.22x = 1,096,438,147.72
5. Step 5: Solve for x
   x = 1,096,438,147.72/37,938.22
6. Step 6: Final answer
   x = 28,900.62