Finding the Fourth Proportional to 12,648.12, 18,972.72 and 3,883.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,648.12 : 18,972.72 = 3,883.38 : x
2. Step 2: Convert to fraction form
   12,648.12/18,972.72 = 3,883.38/x
3. Step 3: Cross multiply
   12,648.12x = 18,972.72 × 3,883.38
4. Step 4: Simplify right side
   12,648.12x = 73,678,281.39
5. Step 5: Solve for x
   x = 73,678,281.39/12,648.12
6. Step 6: Final answer
   x = 5,825.24