Finding the Fourth Proportional to 16,189.45, 22,308.14 and 12,412.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,189.45 : 22,308.14 = 12,412.42 : x
2. Step 2: Convert to fraction form
   16,189.45/22,308.14 = 12,412.42/x
3. Step 3: Cross multiply
   16,189.45x = 22,308.14 × 12,412.42
4. Step 4: Simplify right side
   16,189.45x = 276,897,829.50
5. Step 5: Solve for x
   x = 276,897,829.50/16,189.45
6. Step 6: Final answer
   x = 17,103.60