Finding the Fourth Proportional to 2,034.81, 3,052.50 and 648

Step by Step Solution

1. Step 1: Write the proportion equation
   2,034.81 : 3,052.50 = 648 : x
2. Step 2: Convert to fraction form
   2,034.81/3,052.50 = 648/x
3. Step 3: Cross multiply
   2,034.81x = 3,052.50 × 648
4. Step 4: Simplify right side
   2,034.81x = 1,978,020
5. Step 5: Solve for x
   x = 1,978,020/2,034.81
6. Step 6: Final answer
   x = 972.09