Finding the Fourth Proportional to 37,938.78, 52,356.78 and 22,022.28

Step by Step Solution

1. Step 1: Write the proportion equation
   37,938.78 : 52,356.78 = 22,022.28 : x
2. Step 2: Convert to fraction form
   37,938.78/52,356.78 = 22,022.28/x
3. Step 3: Cross multiply
   37,938.78x = 52,356.78 × 22,022.28
4. Step 4: Simplify right side
   37,938.78x = 1,153,015,669.06
5. Step 5: Solve for x
   x = 1,153,015,669.06/37,938.78
6. Step 6: Final answer
   x = 30,391.48