Finding the Fourth Proportional to 37,824.88, 52,190.42 and 21,908.38

Step by Step Solution

1. Step 1: Write the proportion equation
   37,824.88 : 52,190.42 = 21,908.38 : x
2. Step 2: Convert to fraction form
   37,824.88/52,190.42 = 21,908.38/x
3. Step 3: Cross multiply
   37,824.88x = 52,190.42 × 21,908.38
4. Step 4: Simplify right side
   37,824.88x = 1,143,407,553.72
5. Step 5: Solve for x
   x = 1,143,407,553.72/37,824.88
6. Step 6: Final answer
   x = 30,228.98