Finding the Fourth Proportional to 16,886.07, 23,303.30 and 9,333.63

Step by Step Solution

1. Step 1: Write the proportion equation
   16,886.07 : 23,303.30 = 9,333.63 : x
2. Step 2: Convert to fraction form
   16,886.07/23,303.30 = 9,333.63/x
3. Step 3: Cross multiply
   16,886.07x = 23,303.30 × 9,333.63
4. Step 4: Simplify right side
   16,886.07x = 217,504,333.31
5. Step 5: Solve for x
   x = 217,504,333.31/16,886.07
6. Step 6: Final answer
   x = 12,880.70