Finding the Fourth Proportional to 16,055.76, 22,164.53 and 12,078.39

Step by Step Solution

1. Step 1: Write the proportion equation
   16,055.76 : 22,164.53 = 12,078.39 : x
2. Step 2: Convert to fraction form
   16,055.76/22,164.53 = 12,078.39/x
3. Step 3: Cross multiply
   16,055.76x = 22,164.53 × 12,078.39
4. Step 4: Simplify right side
   16,055.76x = 267,711,777.11
5. Step 5: Solve for x
   x = 267,711,777.11/16,055.76
6. Step 6: Final answer
   x = 16,673.88