Finding the Fourth Proportional to 16,875.69, 23,288.45 and 9,423.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,875.69 : 23,288.45 = 9,423.69 : x
2. Step 2: Convert to fraction form
   16,875.69/23,288.45 = 9,423.69/x
3. Step 3: Cross multiply
   16,875.69x = 23,288.45 × 9,423.69
4. Step 4: Simplify right side
   16,875.69x = 219,463,133.38
5. Step 5: Solve for x
   x = 219,463,133.38/16,875.69
6. Step 6: Final answer
   x = 13,004.69