Finding the Fourth Proportional to 16,854, 23,267.16 and 10,572.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,854 : 23,267.16 = 10,572.72 : x
2. Step 2: Convert to fraction form
   16,854/23,267.16 = 10,572.72/x
3. Step 3: Cross multiply
   16,854x = 23,267.16 × 10,572.72
4. Step 4: Simplify right side
   16,854x = 245,997,167.88
5. Step 5: Solve for x
   x = 245,997,167.88/16,854
6. Step 6: Final answer
   x = 14,595.77