Finding the Fourth Proportional to 16,164.45, 22,301.74 and 9,789

Step by Step Solution

1. Step 1: Write the proportion equation
   16,164.45 : 22,301.74 = 9,789 : x
2. Step 2: Convert to fraction form
   16,164.45/22,301.74 = 9,789/x
3. Step 3: Cross multiply
   16,164.45x = 22,301.74 × 9,789
4. Step 4: Simplify right side
   16,164.45x = 218,311,732.86
5. Step 5: Solve for x
   x = 218,311,732.86/16,164.45
6. Step 6: Final answer
   x = 13,505.67