Finding the Fourth Proportional to 2,390.52, 3,584.61 and 747.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,390.52 : 3,584.61 = 747.24 : x
2. Step 2: Convert to fraction form
   2,390.52/3,584.61 = 747.24/x
3. Step 3: Cross multiply
   2,390.52x = 3,584.61 × 747.24
4. Step 4: Simplify right side
   2,390.52x = 2,678,563.98
5. Step 5: Solve for x
   x = 2,678,563.98/2,390.52
6. Step 6: Final answer
   x = 1,120.49