Finding the Fourth Proportional to 37,825.87, 52,191.78 and 21,909.37

Step by Step Solution

1. Step 1: Write the proportion equation
   37,825.87 : 52,191.78 = 21,909.37 : x
2. Step 2: Convert to fraction form
   37,825.87/52,191.78 = 21,909.37/x
3. Step 3: Cross multiply
   37,825.87x = 52,191.78 × 21,909.37
4. Step 4: Simplify right side
   37,825.87x = 1,143,489,018.98
5. Step 5: Solve for x
   x = 1,143,489,018.98/37,825.87
6. Step 6: Final answer
   x = 30,230.34