Finding the Fourth Proportional to 2,179.22, 3,268.89 and 718.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179.22 : 3,268.89 = 718.34 : x
2. Step 2: Convert to fraction form
   2,179.22/3,268.89 = 718.34/x
3. Step 3: Cross multiply
   2,179.22x = 3,268.89 × 718.34
4. Step 4: Simplify right side
   2,179.22x = 2,348,158.10
5. Step 5: Solve for x
   x = 2,348,158.10/2,179.22
6. Step 6: Final answer
   x = 1,077.52