Finding the Fourth Proportional to 13,527.07, 18,676.58 and 8,819.55

Step by Step Solution

1. Step 1: Write the proportion equation
   13,527.07 : 18,676.58 = 8,819.55 : x
2. Step 2: Convert to fraction form
   13,527.07/18,676.58 = 8,819.55/x
3. Step 3: Cross multiply
   13,527.07x = 18,676.58 × 8,819.55
4. Step 4: Simplify right side
   13,527.07x = 164,718,987.04
5. Step 5: Solve for x
   x = 164,718,987.04/13,527.07
6. Step 6: Final answer
   x = 12,176.99