Finding the Fourth Proportional to 16,856.84, 25,266.42 and 6,316.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,856.84 : 25,266.42 = 6,316.72 : x
2. Step 2: Convert to fraction form
   16,856.84/25,266.42 = 6,316.72/x
3. Step 3: Cross multiply
   16,856.84x = 25,266.42 × 6,316.72
4. Step 4: Simplify right side
   16,856.84x = 159,600,900.54
5. Step 5: Solve for x
   x = 159,600,900.54/16,856.84
6. Step 6: Final answer
   x = 9,468.02