Finding the Fourth Proportional to 2,369.28, 3,552.72 and 907.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,369.28 : 3,552.72 = 907.68 : x
2. Step 2: Convert to fraction form
   2,369.28/3,552.72 = 907.68/x
3. Step 3: Cross multiply
   2,369.28x = 3,552.72 × 907.68
4. Step 4: Simplify right side
   2,369.28x = 3,224,732.89
5. Step 5: Solve for x
   x = 3,224,732.89/2,369.28
6. Step 6: Final answer
   x = 1,361.06