Finding the Fourth Proportional to 2,369.45, 3,554.48 and 909.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,369.45 : 3,554.48 = 909.02 : x
2. Step 2: Convert to fraction form
   2,369.45/3,554.48 = 909.02/x
3. Step 3: Cross multiply
   2,369.45x = 3,554.48 × 909.02
4. Step 4: Simplify right side
   2,369.45x = 3,231,104.57
5. Step 5: Solve for x
   x = 3,231,104.57/2,369.45
6. Step 6: Final answer
   x = 1,363.65