Finding the Fourth Proportional to 8,668.58, 12,994.05 and 5,508.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,668.58 : 12,994.05 = 5,508.34 : x
2. Step 2: Convert to fraction form
   8,668.58/12,994.05 = 5,508.34/x
3. Step 3: Cross multiply
   8,668.58x = 12,994.05 × 5,508.34
4. Step 4: Simplify right side
   8,668.58x = 71,575,641.89
5. Step 5: Solve for x
   x = 71,575,641.89/8,668.58
6. Step 6: Final answer
   x = 8,256.91