Finding the Fourth Proportional to 3,819.34, 5,720.64 and 1,867.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,819.34 : 5,720.64 = 1,867.42 : x
2. Step 2: Convert to fraction form
   3,819.34/5,720.64 = 1,867.42/x
3. Step 3: Cross multiply
   3,819.34x = 5,720.64 × 1,867.42
4. Step 4: Simplify right side
   3,819.34x = 10,682,837.55
5. Step 5: Solve for x
   x = 10,682,837.55/3,819.34
6. Step 6: Final answer
   x = 2,797.04