Finding the Fourth Proportional to 12,846.27, 19,270.35 and 5,449.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,846.27 : 19,270.35 = 5,449.89 : x
2. Step 2: Convert to fraction form
   12,846.27/19,270.35 = 5,449.89/x
3. Step 3: Cross multiply
   12,846.27x = 19,270.35 × 5,449.89
4. Step 4: Simplify right side
   12,846.27x = 105,021,287.76
5. Step 5: Solve for x
   x = 105,021,287.76/12,846.27
6. Step 6: Final answer
   x = 8,175.24