Finding the Fourth Proportional to 10,819.08, 16,231.06 and 3,423.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,819.08 : 16,231.06 = 3,423.98 : x
2. Step 2: Convert to fraction form
   10,819.08/16,231.06 = 3,423.98/x
3. Step 3: Cross multiply
   10,819.08x = 16,231.06 × 3,423.98
4. Step 4: Simplify right side
   10,819.08x = 55,574,824.82
5. Step 5: Solve for x
   x = 55,574,824.82/10,819.08
6. Step 6: Final answer
   x = 5,136.74