Finding the Fourth Proportional to 16,869.96, 25,105.71 and 16,309.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,869.96 : 25,105.71 = 16,309.32 : x
2. Step 2: Convert to fraction form
   16,869.96/25,105.71 = 16,309.32/x
3. Step 3: Cross multiply
   16,869.96x = 25,105.71 × 16,309.32
4. Step 4: Simplify right side
   16,869.96x = 409,457,058.22
5. Step 5: Solve for x
   x = 409,457,058.22/16,869.96
6. Step 6: Final answer
   x = 24,271.37