Finding the Fourth Proportional to 16,137.10, 22,268.55 and 9,423.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,137.10 : 22,268.55 = 9,423.10 : x
2. Step 2: Convert to fraction form
   16,137.10/22,268.55 = 9,423.10/x
3. Step 3: Cross multiply
   16,137.10x = 22,268.55 × 9,423.10
4. Step 4: Simplify right side
   16,137.10x = 209,838,773.51
5. Step 5: Solve for x
   x = 209,838,773.51/16,137.10
6. Step 6: Final answer
   x = 13,003.50