Finding the Fourth Proportional to 37,941, 52,359.42 and 20,945.21

Step by Step Solution

1. Step 1: Write the proportion equation
   37,941 : 52,359.42 = 20,945.21 : x
2. Step 2: Convert to fraction form
   37,941/52,359.42 = 20,945.21/x
3. Step 3: Cross multiply
   37,941x = 52,359.42 × 20,945.21
4. Step 4: Simplify right side
   37,941x = 1,096,678,785.58
5. Step 5: Solve for x
   x = 1,096,678,785.58/37,941
6. Step 6: Final answer
   x = 28,904.85