Finding the Fourth Proportional to 2,469.60, 3,702.04 and 909.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469.60 : 3,702.04 = 909.24 : x
2. Step 2: Convert to fraction form
   2,469.60/3,702.04 = 909.24/x
3. Step 3: Cross multiply
   2,469.60x = 3,702.04 × 909.24
4. Step 4: Simplify right side
   2,469.60x = 3,366,042.85
5. Step 5: Solve for x
   x = 3,366,042.85/2,469.60
6. Step 6: Final answer
   x = 1,362.99