Finding the Fourth Proportional to 17,907, 24,711.66 and 12,327.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,907 : 24,711.66 = 12,327.72 : x
2. Step 2: Convert to fraction form
   17,907/24,711.66 = 12,327.72/x
3. Step 3: Cross multiply
   17,907x = 24,711.66 × 12,327.72
4. Step 4: Simplify right side
   17,907x = 304,638,425.22
5. Step 5: Solve for x
   x = 304,638,425.22/17,907
6. Step 6: Final answer
   x = 17,012.25