Finding the Fourth Proportional to 16,038.95, 22,131.82 and 8,867.90

Step by Step Solution

1. Step 1: Write the proportion equation
   16,038.95 : 22,131.82 = 8,867.90 : x
2. Step 2: Convert to fraction form
   16,038.95/22,131.82 = 8,867.90/x
3. Step 3: Cross multiply
   16,038.95x = 22,131.82 × 8,867.90
4. Step 4: Simplify right side
   16,038.95x = 196,262,633.75
5. Step 5: Solve for x
   x = 196,262,633.75/16,038.95
6. Step 6: Final answer
   x = 12,236.63