Finding the Fourth Proportional to 16,884.82, 23,301.69 and 9,331.47

Step by Step Solution

1. Step 1: Write the proportion equation
   16,884.82 : 23,301.69 = 9,331.47 : x
2. Step 2: Convert to fraction form
   16,884.82/23,301.69 = 9,331.47/x
3. Step 3: Cross multiply
   16,884.82x = 23,301.69 × 9,331.47
4. Step 4: Simplify right side
   16,884.82x = 217,438,986.19
5. Step 5: Solve for x
   x = 217,438,986.19/16,884.82
6. Step 6: Final answer
   x = 12,877.78