Finding the Fourth Proportional to 2,497.32, 3,745.89 and 648.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,497.32 : 3,745.89 = 648.54 : x
2. Step 2: Convert to fraction form
   2,497.32/3,745.89 = 648.54/x
3. Step 3: Cross multiply
   2,497.32x = 3,745.89 × 648.54
4. Step 4: Simplify right side
   2,497.32x = 2,429,359.50
5. Step 5: Solve for x
   x = 2,429,359.50/2,497.32
6. Step 6: Final answer
   x = 972.79