Finding the Fourth Proportional to 12,846.82, 19,271.76 and 5,450.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,846.82 : 19,271.76 = 5,450.30 : x
2. Step 2: Convert to fraction form
   12,846.82/19,271.76 = 5,450.30/x
3. Step 3: Cross multiply
   12,846.82x = 19,271.76 × 5,450.30
4. Step 4: Simplify right side
   12,846.82x = 105,036,873.53
5. Step 5: Solve for x
   x = 105,036,873.53/12,846.82
6. Step 6: Final answer
   x = 8,176.10