Finding the Fourth Proportional to 16,164.56, 22,301.90 and 9,789.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,164.56 : 22,301.90 = 9,789.10 : x
2. Step 2: Convert to fraction form
   16,164.56/22,301.90 = 9,789.10/x
3. Step 3: Cross multiply
   16,164.56x = 22,301.90 × 9,789.10
4. Step 4: Simplify right side
   16,164.56x = 218,315,529.29
5. Step 5: Solve for x
   x = 218,315,529.29/16,164.56
6. Step 6: Final answer
   x = 13,505.81