Finding the Fourth Proportional to 16,627.02, 24,907.72 and 12,471.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,627.02 : 24,907.72 = 12,471.72 : x
2. Step 2: Convert to fraction form
   16,627.02/24,907.72 = 12,471.72/x
3. Step 3: Cross multiply
   16,627.02x = 24,907.72 × 12,471.72
4. Step 4: Simplify right side
   16,627.02x = 310,642,109.68
5. Step 5: Solve for x
   x = 310,642,109.68/16,627.02
6. Step 6: Final answer
   x = 18,682.97