Finding the Fourth Proportional to 8,175.55, 12,258.05 and 3,498.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,175.55 : 12,258.05 = 3,498.61 : x
2. Step 2: Convert to fraction form
   8,175.55/12,258.05 = 3,498.61/x
3. Step 3: Cross multiply
   8,175.55x = 12,258.05 × 3,498.61
4. Step 4: Simplify right side
   8,175.55x = 42,886,136.31
5. Step 5: Solve for x
   x = 42,886,136.31/8,175.55
6. Step 6: Final answer
   x = 5,245.66