Finding the Fourth Proportional to 2,362.34, 3,543.49 and 718.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,362.34 : 3,543.49 = 718.89 : x
2. Step 2: Convert to fraction form
   2,362.34/3,543.49 = 718.89/x
3. Step 3: Cross multiply
   2,362.34x = 3,543.49 × 718.89
4. Step 4: Simplify right side
   2,362.34x = 2,547,367.14
5. Step 5: Solve for x
   x = 2,547,367.14/2,362.34
6. Step 6: Final answer
   x = 1,078.32