Finding the Fourth Proportional to 10,846.80, 16,272.72 and 4,272.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,846.80 : 16,272.72 = 4,272.48 : x
2. Step 2: Convert to fraction form
   10,846.80/16,272.72 = 4,272.48/x
3. Step 3: Cross multiply
   10,846.80x = 16,272.72 × 4,272.48
4. Step 4: Simplify right side
   10,846.80x = 69,524,870.75
5. Step 5: Solve for x
   x = 69,524,870.75/10,846.80
6. Step 6: Final answer
   x = 6,409.71