Finding the Fourth Proportional to 12,476.89, 18,717.16 and 5,081.79

Step by Step Solution

1. Step 1: Write the proportion equation
   12,476.89 : 18,717.16 = 5,081.79 : x
2. Step 2: Convert to fraction form
   12,476.89/18,717.16 = 5,081.79/x
3. Step 3: Cross multiply
   12,476.89x = 18,717.16 × 5,081.79
4. Step 4: Simplify right side
   12,476.89x = 95,116,676.52
5. Step 5: Solve for x
   x = 95,116,676.52/12,476.89
6. Step 6: Final answer
   x = 7,623.43