Finding the Fourth Proportional to 2,150.72, 2,967.72 and 1,219.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.72 : 2,967.72 = 1,219.22 : x
2. Step 2: Convert to fraction form
   2,150.72/2,967.72 = 1,219.22/x
3. Step 3: Cross multiply
   2,150.72x = 2,967.72 × 1,219.22
4. Step 4: Simplify right side
   2,150.72x = 3,618,303.58
5. Step 5: Solve for x
   x = 3,618,303.58/2,150.72
6. Step 6: Final answer
   x = 1,682.37