Finding the Fourth Proportional to 12,100.48, 18,111.84 and 6,249.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,100.48 : 18,111.84 = 6,249.12 : x
2. Step 2: Convert to fraction form
   12,100.48/18,111.84 = 6,249.12/x
3. Step 3: Cross multiply
   12,100.48x = 18,111.84 × 6,249.12
4. Step 4: Simplify right side
   12,100.48x = 113,183,061.58
5. Step 5: Solve for x
   x = 113,183,061.58/12,100.48
6. Step 6: Final answer
   x = 9,353.60