Finding the Fourth Proportional to 16,366.12, 22,582.72 and 9,196.40

Step by Step Solution

1. Step 1: Write the proportion equation
   16,366.12 : 22,582.72 = 9,196.40 : x
2. Step 2: Convert to fraction form
   16,366.12/22,582.72 = 9,196.40/x
3. Step 3: Cross multiply
   16,366.12x = 22,582.72 × 9,196.40
4. Step 4: Simplify right side
   16,366.12x = 207,679,726.21
5. Step 5: Solve for x
   x = 207,679,726.21/16,366.12
6. Step 6: Final answer
   x = 12,689.61