Finding the Fourth Proportional to 2,596.32, 3,894.48 and 648.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,596.32 : 3,894.48 = 648.53 : x
2. Step 2: Convert to fraction form
   2,596.32/3,894.48 = 648.53/x
3. Step 3: Cross multiply
   2,596.32x = 3,894.48 × 648.53
4. Step 4: Simplify right side
   2,596.32x = 2,525,667.64
5. Step 5: Solve for x
   x = 2,525,667.64/2,596.32
6. Step 6: Final answer
   x = 972.79