Finding the Fourth Proportional to 16,145.79, 22,279.23 and 9,433.05

Step by Step Solution

1. Step 1: Write the proportion equation
   16,145.79 : 22,279.23 = 9,433.05 : x
2. Step 2: Convert to fraction form
   16,145.79/22,279.23 = 9,433.05/x
3. Step 3: Cross multiply
   16,145.79x = 22,279.23 × 9,433.05
4. Step 4: Simplify right side
   16,145.79x = 210,161,090.55
5. Step 5: Solve for x
   x = 210,161,090.55/16,145.79
6. Step 6: Final answer
   x = 13,016.46