Finding the Fourth Proportional to 13,103.98, 19,649.90 and 4,217.67

Step by Step Solution

1. Step 1: Write the proportion equation
   13,103.98 : 19,649.90 = 4,217.67 : x
2. Step 2: Convert to fraction form
   13,103.98/19,649.90 = 4,217.67/x
3. Step 3: Cross multiply
   13,103.98x = 19,649.90 × 4,217.67
4. Step 4: Simplify right side
   13,103.98x = 82,876,804.28
5. Step 5: Solve for x
   x = 82,876,804.28/13,103.98
6. Step 6: Final answer
   x = 6,324.55