Finding the Fourth Proportional to 2,179.30, 3,267.72 and 718.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179.30 : 3,267.72 = 718.33 : x
2. Step 2: Convert to fraction form
   2,179.30/3,267.72 = 718.33/x
3. Step 3: Cross multiply
   2,179.30x = 3,267.72 × 718.33
4. Step 4: Simplify right side
   2,179.30x = 2,347,301.31
5. Step 5: Solve for x
   x = 2,347,301.31/2,179.30
6. Step 6: Final answer
   x = 1,077.09