Finding the Fourth Proportional to 16,892.72, 25,311.72 and 10,298.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,892.72 : 25,311.72 = 10,298.96 : x
2. Step 2: Convert to fraction form
   16,892.72/25,311.72 = 10,298.96/x
3. Step 3: Cross multiply
   16,892.72x = 25,311.72 × 10,298.96
4. Step 4: Simplify right side
   16,892.72x = 260,684,391.81
5. Step 5: Solve for x
   x = 260,684,391.81/16,892.72
6. Step 6: Final answer
   x = 15,431.76