Finding the Fourth Proportional to 16,827.85, 23,221.37 and 10,109.51

Step by Step Solution

1. Step 1: Write the proportion equation
   16,827.85 : 23,221.37 = 10,109.51 : x
2. Step 2: Convert to fraction form
   16,827.85/23,221.37 = 10,109.51/x
3. Step 3: Cross multiply
   16,827.85x = 23,221.37 × 10,109.51
4. Step 4: Simplify right side
   16,827.85x = 234,756,581.40
5. Step 5: Solve for x
   x = 234,756,581.40/16,827.85
6. Step 6: Final answer
   x = 13,950.48