Finding the Fourth Proportional to 12,846.98, 19,273.90 and 5,451.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,846.98 : 19,273.90 = 5,451.86 : x
2. Step 2: Convert to fraction form
   12,846.98/19,273.90 = 5,451.86/x
3. Step 3: Cross multiply
   12,846.98x = 19,273.90 × 5,451.86
4. Step 4: Simplify right side
   12,846.98x = 105,078,604.45
5. Step 5: Solve for x
   x = 105,078,604.45/12,846.98
6. Step 6: Final answer
   x = 8,179.25