Finding the Fourth Proportional to 22,462.34, 30,998.18 and 12,391.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,462.34 : 30,998.18 = 12,391.06 : x
2. Step 2: Convert to fraction form
   22,462.34/30,998.18 = 12,391.06/x
3. Step 3: Cross multiply
   22,462.34x = 30,998.18 × 12,391.06
4. Step 4: Simplify right side
   22,462.34x = 384,100,308.27
5. Step 5: Solve for x
   x = 384,100,308.27/22,462.34
6. Step 6: Final answer
   x = 17,099.75