Finding the Fourth Proportional to 37,969.89, 52,398.11 and 20,975.31

Step by Step Solution

1. Step 1: Write the proportion equation
   37,969.89 : 52,398.11 = 20,975.31 : x
2. Step 2: Convert to fraction form
   37,969.89/52,398.11 = 20,975.31/x
3. Step 3: Cross multiply
   37,969.89x = 52,398.11 × 20,975.31
4. Step 4: Simplify right side
   37,969.89x = 1,099,066,495.79
5. Step 5: Solve for x
   x = 1,099,066,495.79/37,969.89
6. Step 6: Final answer
   x = 28,945.74