Finding the Fourth Proportional to 16,989.72, 23,436.66 and 10,277.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,989.72 : 23,436.66 = 10,277.52 : x
2. Step 2: Convert to fraction form
   16,989.72/23,436.66 = 10,277.52/x
3. Step 3: Cross multiply
   16,989.72x = 23,436.66 × 10,277.52
4. Step 4: Simplify right side
   16,989.72x = 240,870,741.88
5. Step 5: Solve for x
   x = 240,870,741.88/16,989.72
6. Step 6: Final answer
   x = 14,177.44