Finding the Fourth Proportional to 37,913.22, 52,315.20 and 21,995.37

Step by Step Solution

1. Step 1: Write the proportion equation
   37,913.22 : 52,315.20 = 21,995.37 : x
2. Step 2: Convert to fraction form
   37,913.22/52,315.20 = 21,995.37/x
3. Step 3: Cross multiply
   37,913.22x = 52,315.20 × 21,995.37
4. Step 4: Simplify right side
   37,913.22x = 1,150,692,180.62
5. Step 5: Solve for x
   x = 1,150,692,180.62/37,913.22
6. Step 6: Final answer
   x = 30,350.68