Finding the Fourth Proportional to 2,179.35, 3,269.16 and 718.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179.35 : 3,269.16 = 718.52 : x
2. Step 2: Convert to fraction form
   2,179.35/3,269.16 = 718.52/x
3. Step 3: Cross multiply
   2,179.35x = 3,269.16 × 718.52
4. Step 4: Simplify right side
   2,179.35x = 2,348,940.50
5. Step 5: Solve for x
   x = 2,348,940.50/2,179.35
6. Step 6: Final answer
   x = 1,077.82