Finding the Fourth Proportional to 2,632.62, 3,949.20 and 900.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.62 : 3,949.20 = 900.84 : x
2. Step 2: Convert to fraction form
   2,632.62/3,949.20 = 900.84/x
3. Step 3: Cross multiply
   2,632.62x = 3,949.20 × 900.84
4. Step 4: Simplify right side
   2,632.62x = 3,557,597.33
5. Step 5: Solve for x
   x = 3,557,597.33/2,632.62
6. Step 6: Final answer
   x = 1,351.35