Finding the Fourth Proportional to 16,667.39, 23,000.31 and 9,865.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,667.39 : 23,000.31 = 9,865.82 : x
2. Step 2: Convert to fraction form
   16,667.39/23,000.31 = 9,865.82/x
3. Step 3: Cross multiply
   16,667.39x = 23,000.31 × 9,865.82
4. Step 4: Simplify right side
   16,667.39x = 226,916,975.90
5. Step 5: Solve for x
   x = 226,916,975.90/16,667.39
6. Step 6: Final answer
   x = 13,614.43