Finding the Fourth Proportional to 16,457.68, 22,711.72 and 10,084.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,457.68 : 22,711.72 = 10,084.28 : x
2. Step 2: Convert to fraction form
   16,457.68/22,711.72 = 10,084.28/x
3. Step 3: Cross multiply
   16,457.68x = 22,711.72 × 10,084.28
4. Step 4: Simplify right side
   16,457.68x = 229,031,343.76
5. Step 5: Solve for x
   x = 229,031,343.76/16,457.68
6. Step 6: Final answer
   x = 13,916.38