Finding the Fourth Proportional to 2,551.77, 3,825.72 and 907.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551.77 : 3,825.72 = 907.83 : x
2. Step 2: Convert to fraction form
   2,551.77/3,825.72 = 907.83/x
3. Step 3: Cross multiply
   2,551.77x = 3,825.72 × 907.83
4. Step 4: Simplify right side
   2,551.77x = 3,473,103.39
5. Step 5: Solve for x
   x = 3,473,103.39/2,551.77
6. Step 6: Final answer
   x = 1,361.06