Finding the Fourth Proportional to 22,387.56, 30,894.18 and 12,178.27

Step by Step Solution

1. Step 1: Write the proportion equation
   22,387.56 : 30,894.18 = 12,178.27 : x
2. Step 2: Convert to fraction form
   22,387.56/30,894.18 = 12,178.27/x
3. Step 3: Cross multiply
   22,387.56x = 30,894.18 × 12,178.27
4. Step 4: Simplify right side
   22,387.56x = 376,237,536.02
5. Step 5: Solve for x
   x = 376,237,536.02/22,387.56
6. Step 6: Final answer
   x = 16,805.65