Finding the Fourth Proportional to 17,667.51, 24,381.17 and 9,709.66

Step by Step Solution

1. Step 1: Write the proportion equation
   17,667.51 : 24,381.17 = 9,709.66 : x
2. Step 2: Convert to fraction form
   17,667.51/24,381.17 = 9,709.66/x
3. Step 3: Cross multiply
   17,667.51x = 24,381.17 × 9,709.66
4. Step 4: Simplify right side
   17,667.51x = 236,732,871.10
5. Step 5: Solve for x
   x = 236,732,871.10/17,667.51
6. Step 6: Final answer
   x = 13,399.33