Finding the Fourth Proportional to 23,516.38, 32,453 and 12,907

Step by Step Solution

1. Step 1: Write the proportion equation
   23,516.38 : 32,453 = 12,907 : x
2. Step 2: Convert to fraction form
   23,516.38/32,453 = 12,907/x
3. Step 3: Cross multiply
   23,516.38x = 32,453 × 12,907
4. Step 4: Simplify right side
   23,516.38x = 418,870,871
5. Step 5: Solve for x
   x = 418,870,871/23,516.38
6. Step 6: Final answer
   x = 17,811.88