Finding the Fourth Proportional to 1,500.42, 2,249.58 and 719.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500.42 : 2,249.58 = 719.49 : x
2. Step 2: Convert to fraction form
   1,500.42/2,249.58 = 719.49/x
3. Step 3: Cross multiply
   1,500.42x = 2,249.58 × 719.49
4. Step 4: Simplify right side
   1,500.42x = 1,618,550.31
5. Step 5: Solve for x
   x = 1,618,550.31/1,500.42
6. Step 6: Final answer
   x = 1,078.73