Finding the Fourth Proportional to 12,929.76, 19,398.82 and 6,351.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,929.76 : 19,398.82 = 6,351.34 : x
2. Step 2: Convert to fraction form
   12,929.76/19,398.82 = 6,351.34/x
3. Step 3: Cross multiply
   12,929.76x = 19,398.82 × 6,351.34
4. Step 4: Simplify right side
   12,929.76x = 123,208,501.42
5. Step 5: Solve for x
   x = 123,208,501.42/12,929.76
6. Step 6: Final answer
   x = 9,529.06