Finding the Fourth Proportional to 2,551.49, 3,826.47 and 907.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551.49 : 3,826.47 = 907.82 : x
2. Step 2: Convert to fraction form
   2,551.49/3,826.47 = 907.82/x
3. Step 3: Cross multiply
   2,551.49x = 3,826.47 × 907.82
4. Step 4: Simplify right side
   2,551.49x = 3,473,746.00
5. Step 5: Solve for x
   x = 3,473,746.00/2,551.49
6. Step 6: Final answer
   x = 1,361.46