Finding the Fourth Proportional to 16,667.68, 24,948.24 and 11,915.68

Step by Step Solution

1. Step 1: Write the proportion equation
   16,667.68 : 24,948.24 = 11,915.68 : x
2. Step 2: Convert to fraction form
   16,667.68/24,948.24 = 11,915.68/x
3. Step 3: Cross multiply
   16,667.68x = 24,948.24 × 11,915.68
4. Step 4: Simplify right side
   16,667.68x = 297,275,244.40
5. Step 5: Solve for x
   x = 297,275,244.40/16,667.68
6. Step 6: Final answer
   x = 17,835.43