Finding the Fourth Proportional to 16,065.41, 22,166.06 and 9,257.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,065.41 : 22,166.06 = 9,257.76 : x
2. Step 2: Convert to fraction form
   16,065.41/22,166.06 = 9,257.76/x
3. Step 3: Cross multiply
   16,065.41x = 22,166.06 × 9,257.76
4. Step 4: Simplify right side
   16,065.41x = 205,208,017.34
5. Step 5: Solve for x
   x = 205,208,017.34/16,065.41
6. Step 6: Final answer
   x = 12,773.29