Finding the Fourth Proportional to 22,397.12, 30,908.17 and 12,325.28

Step by Step Solution

1. Step 1: Write the proportion equation
   22,397.12 : 30,908.17 = 12,325.28 : x
2. Step 2: Convert to fraction form
   22,397.12/30,908.17 = 12,325.28/x
3. Step 3: Cross multiply
   22,397.12x = 30,908.17 × 12,325.28
4. Step 4: Simplify right side
   22,397.12x = 380,951,695.00
5. Step 5: Solve for x
   x = 380,951,695.00/22,397.12
6. Step 6: Final answer
   x = 17,008.96