Finding the Fourth Proportional to 16,742.76, 25,104.99 and 10,818.81

Step by Step Solution

1. Step 1: Write the proportion equation
   16,742.76 : 25,104.99 = 10,818.81 : x
2. Step 2: Convert to fraction form
   16,742.76/25,104.99 = 10,818.81/x
3. Step 3: Cross multiply
   16,742.76x = 25,104.99 × 10,818.81
4. Step 4: Simplify right side
   16,742.76x = 271,606,116.86
5. Step 5: Solve for x
   x = 271,606,116.86/16,742.76
6. Step 6: Final answer
   x = 16,222.30