Finding the Fourth Proportional to 14,162.49, 19,532.61 and 12,570.30

Step by Step Solution

1. Step 1: Write the proportion equation
   14,162.49 : 19,532.61 = 12,570.30 : x
2. Step 2: Convert to fraction form
   14,162.49/19,532.61 = 12,570.30/x
3. Step 3: Cross multiply
   14,162.49x = 19,532.61 × 12,570.30
4. Step 4: Simplify right side
   14,162.49x = 245,530,767.48
5. Step 5: Solve for x
   x = 245,530,767.48/14,162.49
6. Step 6: Final answer
   x = 17,336.69