Finding the Fourth Proportional to 2,667.24, 4,000.82 and 719.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.24 : 4,000.82 = 719.40 : x
2. Step 2: Convert to fraction form
   2,667.24/4,000.82 = 719.40/x
3. Step 3: Cross multiply
   2,667.24x = 4,000.82 × 719.40
4. Step 4: Simplify right side
   2,667.24x = 2,878,189.91
5. Step 5: Solve for x
   x = 2,878,189.91/2,667.24
6. Step 6: Final answer
   x = 1,079.09