Finding the Fourth Proportional to 23,518.62, 32,456.16 and 12,908.16

Step by Step Solution

1. Step 1: Write the proportion equation
   23,518.62 : 32,456.16 = 12,908.16 : x
2. Step 2: Convert to fraction form
   23,518.62/32,456.16 = 12,908.16/x
3. Step 3: Cross multiply
   23,518.62x = 32,456.16 × 12,908.16
4. Step 4: Simplify right side
   23,518.62x = 418,949,306.27
5. Step 5: Solve for x
   x = 418,949,306.27/23,518.62
6. Step 6: Final answer
   x = 17,813.52