Finding the Fourth Proportional to 18,633.72, 25,716.42 and 10,677

Step by Step Solution

1. Step 1: Write the proportion equation
   18,633.72 : 25,716.42 = 10,677 : x
2. Step 2: Convert to fraction form
   18,633.72/25,716.42 = 10,677/x
3. Step 3: Cross multiply
   18,633.72x = 25,716.42 × 10,677
4. Step 4: Simplify right side
   18,633.72x = 274,574,216.34
5. Step 5: Solve for x
   x = 274,574,216.34/18,633.72
6. Step 6: Final answer
   x = 14,735.34