Finding the Fourth Proportional to 16,472.45, 22,731.82 and 8,918.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,472.45 : 22,731.82 = 8,918.59 : x
2. Step 2: Convert to fraction form
   16,472.45/22,731.82 = 8,918.59/x
3. Step 3: Cross multiply
   16,472.45x = 22,731.82 × 8,918.59
4. Step 4: Simplify right side
   16,472.45x = 202,735,624.28
5. Step 5: Solve for x
   x = 202,735,624.28/16,472.45
6. Step 6: Final answer
   x = 12,307.56