Finding the Fourth Proportional to 2,910.94, 4,366.29 and 719.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,910.94 : 4,366.29 = 719.62 : x
2. Step 2: Convert to fraction form
   2,910.94/4,366.29 = 719.62/x
3. Step 3: Cross multiply
   2,910.94x = 4,366.29 × 719.62
4. Step 4: Simplify right side
   2,910.94x = 3,142,047.78
5. Step 5: Solve for x
   x = 3,142,047.78/2,910.94
6. Step 6: Final answer
   x = 1,079.39