Finding the Fourth Proportional to 2,035.98, 3,054.78 and 719.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,035.98 : 3,054.78 = 719.91 : x
2. Step 2: Convert to fraction form
   2,035.98/3,054.78 = 719.91/x
3. Step 3: Cross multiply
   2,035.98x = 3,054.78 × 719.91
4. Step 4: Simplify right side
   2,035.98x = 2,199,166.67
5. Step 5: Solve for x
   x = 2,199,166.67/2,035.98
6. Step 6: Final answer
   x = 1,080.15