Finding the Fourth Proportional to 12,246.72, 18,367.04 and 4,848.64

Step by Step Solution

1. Step 1: Write the proportion equation
   12,246.72 : 18,367.04 = 4,848.64 : x
2. Step 2: Convert to fraction form
   12,246.72/18,367.04 = 4,848.64/x
3. Step 3: Cross multiply
   12,246.72x = 18,367.04 × 4,848.64
4. Step 4: Simplify right side
   12,246.72x = 89,055,164.83
5. Step 5: Solve for x
   x = 89,055,164.83/12,246.72
6. Step 6: Final answer
   x = 7,271.76