Finding the Fourth Proportional to 16,839.68, 23,250.24 and 10,885.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,839.68 : 23,250.24 = 10,885.76 : x
2. Step 2: Convert to fraction form
   16,839.68/23,250.24 = 10,885.76/x
3. Step 3: Cross multiply
   16,839.68x = 23,250.24 × 10,885.76
4. Step 4: Simplify right side
   16,839.68x = 253,096,532.58
5. Step 5: Solve for x
   x = 253,096,532.58/16,839.68
6. Step 6: Final answer
   x = 15,029.77