Finding the Fourth Proportional to 8,173.34, 12,254.98 and 3,490.73

Step by Step Solution

1. Step 1: Write the proportion equation
   8,173.34 : 12,254.98 = 3,490.73 : x
2. Step 2: Convert to fraction form
   8,173.34/12,254.98 = 3,490.73/x
3. Step 3: Cross multiply
   8,173.34x = 12,254.98 × 3,490.73
4. Step 4: Simplify right side
   8,173.34x = 42,778,826.34
5. Step 5: Solve for x
   x = 42,778,826.34/8,173.34
6. Step 6: Final answer
   x = 5,233.95