Finding the Fourth Proportional to 22,402.96, 30,914.96 and 12,331.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,402.96 : 30,914.96 = 12,331.15 : x
2. Step 2: Convert to fraction form
   22,402.96/30,914.96 = 12,331.15/x
3. Step 3: Cross multiply
   22,402.96x = 30,914.96 × 12,331.15
4. Step 4: Simplify right side
   22,402.96x = 381,216,962.54
5. Step 5: Solve for x
   x = 381,216,962.54/22,402.96
6. Step 6: Final answer
   x = 17,016.37