Finding the Fourth Proportional to 17,667.66, 24,355.68 and 12,345.96

Step by Step Solution

1. Step 1: Write the proportion equation
   17,667.66 : 24,355.68 = 12,345.96 : x
2. Step 2: Convert to fraction form
   17,667.66/24,355.68 = 12,345.96/x
3. Step 3: Cross multiply
   17,667.66x = 24,355.68 × 12,345.96
4. Step 4: Simplify right side
   17,667.66x = 300,694,251.05
5. Step 5: Solve for x
   x = 300,694,251.05/17,667.66
6. Step 6: Final answer
   x = 17,019.47