Finding the Fourth Proportional to 16,875.45, 23,289.54 and 9,322.47

Step by Step Solution

1. Step 1: Write the proportion equation
   16,875.45 : 23,289.54 = 9,322.47 : x
2. Step 2: Convert to fraction form
   16,875.45/23,289.54 = 9,322.47/x
3. Step 3: Cross multiply
   16,875.45x = 23,289.54 × 9,322.47
4. Step 4: Simplify right side
   16,875.45x = 217,116,037.96
5. Step 5: Solve for x
   x = 217,116,037.96/16,875.45
6. Step 6: Final answer
   x = 12,865.79