Finding the Fourth Proportional to 16,062.56, 22,167.72 and 8,988.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,062.56 : 22,167.72 = 8,988.88 : x
2. Step 2: Convert to fraction form
   16,062.56/22,167.72 = 8,988.88/x
3. Step 3: Cross multiply
   16,062.56x = 22,167.72 × 8,988.88
4. Step 4: Simplify right side
   16,062.56x = 199,262,974.95
5. Step 5: Solve for x
   x = 199,262,974.95/16,062.56
6. Step 6: Final answer
   x = 12,405.43