Finding the Fourth Proportional to 16,241, 22,412.61 and 8,789

Step by Step Solution

1. Step 1: Write the proportion equation
   16,241 : 22,412.61 = 8,789 : x
2. Step 2: Convert to fraction form
   16,241/22,412.61 = 8,789/x
3. Step 3: Cross multiply
   16,241x = 22,412.61 × 8,789
4. Step 4: Simplify right side
   16,241x = 196,984,429.29
5. Step 5: Solve for x
   x = 196,984,429.29/16,241
6. Step 6: Final answer
   x = 12,128.84