Finding the Fourth Proportional to 8,443.09, 12,668.52 and 4,493.35

Step by Step Solution

1. Step 1: Write the proportion equation
   8,443.09 : 12,668.52 = 4,493.35 : x
2. Step 2: Convert to fraction form
   8,443.09/12,668.52 = 4,493.35/x
3. Step 3: Cross multiply
   8,443.09x = 12,668.52 × 4,493.35
4. Step 4: Simplify right side
   8,443.09x = 56,924,094.34
5. Step 5: Solve for x
   x = 56,924,094.34/8,443.09
6. Step 6: Final answer
   x = 6,742.09