Finding the Fourth Proportional to 21,846.48, 30,189 and 18,614.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,846.48 : 30,189 = 18,614.52 : x
2. Step 2: Convert to fraction form
   21,846.48/30,189 = 18,614.52/x
3. Step 3: Cross multiply
   21,846.48x = 30,189 × 18,614.52
4. Step 4: Simplify right side
   21,846.48x = 561,953,744.28
5. Step 5: Solve for x
   x = 561,953,744.28/21,846.48
6. Step 6: Final answer
   x = 25,722.85