Finding the Fourth Proportional to 16,581.79, 24,867.56 and 5,486.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,581.79 : 24,867.56 = 5,486.18 : x
2. Step 2: Convert to fraction form
   16,581.79/24,867.56 = 5,486.18/x
3. Step 3: Cross multiply
   16,581.79x = 24,867.56 × 5,486.18
4. Step 4: Simplify right side
   16,581.79x = 136,427,908.72
5. Step 5: Solve for x
   x = 136,427,908.72/16,581.79
6. Step 6: Final answer
   x = 8,227.58