Finding the Fourth Proportional to 22,011.86, 30,386.88 and 13,949.54

Step by Step Solution

1. Step 1: Write the proportion equation
   22,011.86 : 30,386.88 = 13,949.54 : x
2. Step 2: Convert to fraction form
   22,011.86/30,386.88 = 13,949.54/x
3. Step 3: Cross multiply
   22,011.86x = 30,386.88 × 13,949.54
4. Step 4: Simplify right side
   22,011.86x = 423,882,998.04
5. Step 5: Solve for x
   x = 423,882,998.04/22,011.86
6. Step 6: Final answer
   x = 19,257.03