Finding the Fourth Proportional to 22,411.54, 30,930.06 and 13,459.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,411.54 : 30,930.06 = 13,459.42 : x
2. Step 2: Convert to fraction form
   22,411.54/30,930.06 = 13,459.42/x
3. Step 3: Cross multiply
   22,411.54x = 30,930.06 × 13,459.42
4. Step 4: Simplify right side
   22,411.54x = 416,300,668.17
5. Step 5: Solve for x
   x = 416,300,668.17/22,411.54
6. Step 6: Final answer
   x = 18,575.28