Finding the Fourth Proportional to 17,667.12, 24,375.60 and 12,291.60

Step by Step Solution

1. Step 1: Write the proportion equation
   17,667.12 : 24,375.60 = 12,291.60 : x
2. Step 2: Convert to fraction form
   17,667.12/24,375.60 = 12,291.60/x
3. Step 3: Cross multiply
   17,667.12x = 24,375.60 × 12,291.60
4. Step 4: Simplify right side
   17,667.12x = 299,615,124.96
5. Step 5: Solve for x
   x = 299,615,124.96/17,667.12
6. Step 6: Final answer
   x = 16,958.91