Finding the Fourth Proportional to 14,339.46, 21,496.20 and 5,103.30

Step by Step Solution

1. Step 1: Write the proportion equation
   14,339.46 : 21,496.20 = 5,103.30 : x
2. Step 2: Convert to fraction form
   14,339.46/21,496.20 = 5,103.30/x
3. Step 3: Cross multiply
   14,339.46x = 21,496.20 × 5,103.30
4. Step 4: Simplify right side
   14,339.46x = 109,701,557.46
5. Step 5: Solve for x
   x = 109,701,557.46/14,339.46
6. Step 6: Final answer
   x = 7,650.33