Finding the Fourth Proportional to 12,845.43, 19,265.72 and 4,080.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,845.43 : 19,265.72 = 4,080.42 : x
2. Step 2: Convert to fraction form
   12,845.43/19,265.72 = 4,080.42/x
3. Step 3: Cross multiply
   12,845.43x = 19,265.72 × 4,080.42
4. Step 4: Simplify right side
   12,845.43x = 78,612,208.80
5. Step 5: Solve for x
   x = 78,612,208.80/12,845.43
6. Step 6: Final answer
   x = 6,119.86