Finding the Fourth Proportional to 22,462.34, 30,997.65 and 12,391.75

Step by Step Solution

1. Step 1: Write the proportion equation
   22,462.34 : 30,997.65 = 12,391.75 : x
2. Step 2: Convert to fraction form
   22,462.34/30,997.65 = 12,391.75/x
3. Step 3: Cross multiply
   22,462.34x = 30,997.65 × 12,391.75
4. Step 4: Simplify right side
   22,462.34x = 384,114,935.69
5. Step 5: Solve for x
   x = 384,114,935.69/22,462.34
6. Step 6: Final answer
   x = 17,100.40