Finding the Fourth Proportional to 2,150.68, 2,967.94 and 1,219.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.68 : 2,967.94 = 1,219.08 : x
2. Step 2: Convert to fraction form
   2,150.68/2,967.94 = 1,219.08/x
3. Step 3: Cross multiply
   2,150.68x = 2,967.94 × 1,219.08
4. Step 4: Simplify right side
   2,150.68x = 3,618,156.30
5. Step 5: Solve for x
   x = 3,618,156.30/2,150.68
6. Step 6: Final answer
   x = 1,682.33