Finding the Fourth Proportional to 16,432, 22,676.72 and 8,980.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,432 : 22,676.72 = 8,980.48 : x
2. Step 2: Convert to fraction form
   16,432/22,676.72 = 8,980.48/x
3. Step 3: Cross multiply
   16,432x = 22,676.72 × 8,980.48
4. Step 4: Simplify right side
   16,432x = 203,647,830.43
5. Step 5: Solve for x
   x = 203,647,830.43/16,432
6. Step 6: Final answer
   x = 12,393.37