Finding the Fourth Proportional to 12,449.87, 18,674.43 and 5,054.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,449.87 : 18,674.43 = 5,054.15 : x
2. Step 2: Convert to fraction form
   12,449.87/18,674.43 = 5,054.15/x
3. Step 3: Cross multiply
   12,449.87x = 18,674.43 × 5,054.15
4. Step 4: Simplify right side
   12,449.87x = 94,383,370.38
5. Step 5: Solve for x
   x = 94,383,370.38/12,449.87
6. Step 6: Final answer
   x = 7,581.07