Finding the Fourth Proportional to 12,846.40, 19,267.16 and 5,456.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,846.40 : 19,267.16 = 5,456.08 : x
2. Step 2: Convert to fraction form
   12,846.40/19,267.16 = 5,456.08/x
3. Step 3: Cross multiply
   12,846.40x = 19,267.16 × 5,456.08
4. Step 4: Simplify right side
   12,846.40x = 105,123,166.33
5. Step 5: Solve for x
   x = 105,123,166.33/12,846.40
6. Step 6: Final answer
   x = 8,183.08