Finding the Fourth Proportional to 2,910.93, 4,366.35 and 719.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,910.93 : 4,366.35 = 719.69 : x
2. Step 2: Convert to fraction form
   2,910.93/4,366.35 = 719.69/x
3. Step 3: Cross multiply
   2,910.93x = 4,366.35 × 719.69
4. Step 4: Simplify right side
   2,910.93x = 3,142,396.60
5. Step 5: Solve for x
   x = 3,142,396.60/2,910.93
6. Step 6: Final answer
   x = 1,079.52