Finding the Fourth Proportional to 12,144.96, 18,205.83 and 4,746.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,144.96 : 18,205.83 = 4,746.96 : x
2. Step 2: Convert to fraction form
   12,144.96/18,205.83 = 4,746.96/x
3. Step 3: Cross multiply
   12,144.96x = 18,205.83 × 4,746.96
4. Step 4: Simplify right side
   12,144.96x = 86,422,346.78
5. Step 5: Solve for x
   x = 86,422,346.78/12,144.96
6. Step 6: Final answer
   x = 7,115.90