Finding the Fourth Proportional to 16,026.42, 22,116.43 and 9,656.70

Step by Step Solution

1. Step 1: Write the proportion equation
   16,026.42 : 22,116.43 = 9,656.70 : x
2. Step 2: Convert to fraction form
   16,026.42/22,116.43 = 9,656.70/x
3. Step 3: Cross multiply
   16,026.42x = 22,116.43 × 9,656.70
4. Step 4: Simplify right side
   16,026.42x = 213,571,729.58
5. Step 5: Solve for x
   x = 213,571,729.58/16,026.42
6. Step 6: Final answer
   x = 13,326.23