Finding the Fourth Proportional to 4,742.82, 7,113.42 and 1,819.62

Step by Step Solution

1. Step 1: Write the proportion equation
   4,742.82 : 7,113.42 = 1,819.62 : x
2. Step 2: Convert to fraction form
   4,742.82/7,113.42 = 1,819.62/x
3. Step 3: Cross multiply
   4,742.82x = 7,113.42 × 1,819.62
4. Step 4: Simplify right side
   4,742.82x = 12,943,721.30
5. Step 5: Solve for x
   x = 12,943,721.30/4,742.82
6. Step 6: Final answer
   x = 2,729.12