Finding the Fourth Proportional to 11,819.31, 17,734.34 and 4,424.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,819.31 : 17,734.34 = 4,424.34 : x
2. Step 2: Convert to fraction form
   11,819.31/17,734.34 = 4,424.34/x
3. Step 3: Cross multiply
   11,819.31x = 17,734.34 × 4,424.34
4. Step 4: Simplify right side
   11,819.31x = 78,462,727.71
5. Step 5: Solve for x
   x = 78,462,727.71/11,819.31
6. Step 6: Final answer
   x = 6,638.52