Finding the Fourth Proportional to 12,016.37, 17,989.07 and 8,875.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,016.37 : 17,989.07 = 8,875.52 : x
2. Step 2: Convert to fraction form
   12,016.37/17,989.07 = 8,875.52/x
3. Step 3: Cross multiply
   12,016.37x = 17,989.07 × 8,875.52
4. Step 4: Simplify right side
   12,016.37x = 159,662,283.70
5. Step 5: Solve for x
   x = 159,662,283.70/12,016.37
6. Step 6: Final answer
   x = 13,287.06