Finding the Fourth Proportional to 8,173.55, 12,255.05 and 3,496.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,173.55 : 12,255.05 = 3,496.61 : x
2. Step 2: Convert to fraction form
   8,173.55/12,255.05 = 3,496.61/x
3. Step 3: Cross multiply
   8,173.55x = 12,255.05 × 3,496.61
4. Step 4: Simplify right side
   8,173.55x = 42,851,169.76
5. Step 5: Solve for x
   x = 42,851,169.76/8,173.55
6. Step 6: Final answer
   x = 5,242.66