Finding the Fourth Proportional to 9,976.55, 13,767.04 and 5,500.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,976.55 : 13,767.04 = 5,500.49 : x
2. Step 2: Convert to fraction form
   9,976.55/13,767.04 = 5,500.49/x
3. Step 3: Cross multiply
   9,976.55x = 13,767.04 × 5,500.49
4. Step 4: Simplify right side
   9,976.55x = 75,725,465.85
5. Step 5: Solve for x
   x = 75,725,465.85/9,976.55
6. Step 6: Final answer
   x = 7,590.35