Finding the Fourth Proportional to 22,016.36, 30,382.35 and 12,458.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,016.36 : 30,382.35 = 12,458.10 : x
2. Step 2: Convert to fraction form
   22,016.36/30,382.35 = 12,458.10/x
3. Step 3: Cross multiply
   22,016.36x = 30,382.35 × 12,458.10
4. Step 4: Simplify right side
   22,016.36x = 378,506,354.54
5. Step 5: Solve for x
   x = 378,506,354.54/22,016.36
6. Step 6: Final answer
   x = 17,192.05