Finding the Fourth Proportional to 17,667.12, 24,380.72 and 9,709.16

Step by Step Solution

1. Step 1: Write the proportion equation
   17,667.12 : 24,380.72 = 9,709.16 : x
2. Step 2: Convert to fraction form
   17,667.12/24,380.72 = 9,709.16/x
3. Step 3: Cross multiply
   17,667.12x = 24,380.72 × 9,709.16
4. Step 4: Simplify right side
   17,667.12x = 236,716,311.40
5. Step 5: Solve for x
   x = 236,716,311.40/17,667.12
6. Step 6: Final answer
   x = 13,398.69