Finding the Fourth Proportional to 22,460.29, 30,995.56 and 12,388.55

Step by Step Solution

1. Step 1: Write the proportion equation
   22,460.29 : 30,995.56 = 12,388.55 : x
2. Step 2: Convert to fraction form
   22,460.29/30,995.56 = 12,388.55/x
3. Step 3: Cross multiply
   22,460.29x = 30,995.56 × 12,388.55
4. Step 4: Simplify right side
   22,460.29x = 383,989,905.35
5. Step 5: Solve for x
   x = 383,989,905.35/22,460.29
6. Step 6: Final answer
   x = 17,096.39