Finding the Fourth Proportional to 2,634.84, 3,949.83 and 902.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,634.84 : 3,949.83 = 902.25 : x
2. Step 2: Convert to fraction form
   2,634.84/3,949.83 = 902.25/x
3. Step 3: Cross multiply
   2,634.84x = 3,949.83 × 902.25
4. Step 4: Simplify right side
   2,634.84x = 3,563,734.12
5. Step 5: Solve for x
   x = 3,563,734.12/2,634.84
6. Step 6: Final answer
   x = 1,352.54