Finding the Fourth Proportional to 16,887.42, 23,304.27 and 9,333.81

Step by Step Solution

1. Step 1: Write the proportion equation
   16,887.42 : 23,304.27 = 9,333.81 : x
2. Step 2: Convert to fraction form
   16,887.42/23,304.27 = 9,333.81/x
3. Step 3: Cross multiply
   16,887.42x = 23,304.27 × 9,333.81
4. Step 4: Simplify right side
   16,887.42x = 217,517,628.37
5. Step 5: Solve for x
   x = 217,517,628.37/16,887.42
6. Step 6: Final answer
   x = 12,880.45