Finding the Fourth Proportional to 22,456.46, 30,990.62 and 13,844.54

Step by Step Solution

1. Step 1: Write the proportion equation
   22,456.46 : 30,990.62 = 13,844.54 : x
2. Step 2: Convert to fraction form
   22,456.46/30,990.62 = 13,844.54/x
3. Step 3: Cross multiply
   22,456.46x = 30,990.62 × 13,844.54
4. Step 4: Simplify right side
   22,456.46x = 429,050,878.21
5. Step 5: Solve for x
   x = 429,050,878.21/22,456.46
6. Step 6: Final answer
   x = 19,105.90