Finding the Fourth Proportional to 12,819.49, 19,228.33 and 3,460.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,819.49 : 19,228.33 = 3,460.04 : x
2. Step 2: Convert to fraction form
   12,819.49/19,228.33 = 3,460.04/x
3. Step 3: Cross multiply
   12,819.49x = 19,228.33 × 3,460.04
4. Step 4: Simplify right side
   12,819.49x = 66,530,858.71
5. Step 5: Solve for x
   x = 66,530,858.71/12,819.49
6. Step 6: Final answer
   x = 5,189.82