Finding the Fourth Proportional to 12,846.79, 19,265.32 and 5,454.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,846.79 : 19,265.32 = 5,454.73 : x
2. Step 2: Convert to fraction form
   12,846.79/19,265.32 = 5,454.73/x
3. Step 3: Cross multiply
   12,846.79x = 19,265.32 × 5,454.73
4. Step 4: Simplify right side
   12,846.79x = 105,087,118.96
5. Step 5: Solve for x
   x = 105,087,118.96/12,846.79
6. Step 6: Final answer
   x = 8,180.03