Finding the Fourth Proportional to 2,150.44, 2,967.90 and 1,219

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.44 : 2,967.90 = 1,219 : x
2. Step 2: Convert to fraction form
   2,150.44/2,967.90 = 1,219/x
3. Step 3: Cross multiply
   2,150.44x = 2,967.90 × 1,219
4. Step 4: Simplify right side
   2,150.44x = 3,617,870.10
5. Step 5: Solve for x
   x = 3,617,870.10/2,150.44
6. Step 6: Final answer
   x = 1,682.39