Finding the Fourth Proportional to 37,908.72, 52,314.38 and 21,993.44

Step by Step Solution

1. Step 1: Write the proportion equation
   37,908.72 : 52,314.38 = 21,993.44 : x
2. Step 2: Convert to fraction form
   37,908.72/52,314.38 = 21,993.44/x
3. Step 3: Cross multiply
   37,908.72x = 52,314.38 × 21,993.44
4. Step 4: Simplify right side
   37,908.72x = 1,150,573,177.67
5. Step 5: Solve for x
   x = 1,150,573,177.67/37,908.72
6. Step 6: Final answer
   x = 30,351.15