Finding the Fourth Proportional to 12,798.43, 19,165.59 and 8,104.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,798.43 : 19,165.59 = 8,104.27 : x
2. Step 2: Convert to fraction form
   12,798.43/19,165.59 = 8,104.27/x
3. Step 3: Cross multiply
   12,798.43x = 19,165.59 × 8,104.27
4. Step 4: Simplify right side
   12,798.43x = 155,323,116.07
5. Step 5: Solve for x
   x = 155,323,116.07/12,798.43
6. Step 6: Final answer
   x = 12,136.11