Finding the Fourth Proportional to 8,353.51, 12,519.33 and 3,417.37

Step by Step Solution

1. Step 1: Write the proportion equation
   8,353.51 : 12,519.33 = 3,417.37 : x
2. Step 2: Convert to fraction form
   8,353.51/12,519.33 = 3,417.37/x
3. Step 3: Cross multiply
   8,353.51x = 12,519.33 × 3,417.37
4. Step 4: Simplify right side
   8,353.51x = 42,783,182.76
5. Step 5: Solve for x
   x = 42,783,182.76/8,353.51
6. Step 6: Final answer
   x = 5,121.58