Finding the Fourth Proportional to 2,910.10, 4,365.12 and 718.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,910.10 : 4,365.12 = 718.82 : x
2. Step 2: Convert to fraction form
   2,910.10/4,365.12 = 718.82/x
3. Step 3: Cross multiply
   2,910.10x = 4,365.12 × 718.82
4. Step 4: Simplify right side
   2,910.10x = 3,137,751.29
5. Step 5: Solve for x
   x = 3,137,751.29/2,910.10
6. Step 6: Final answer
   x = 1,078.23