Finding the Fourth Proportional to 9,976.92, 13,767.52 and 5,500.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,976.92 : 13,767.52 = 5,500.42 : x
2. Step 2: Convert to fraction form
   9,976.92/13,767.52 = 5,500.42/x
3. Step 3: Cross multiply
   9,976.92x = 13,767.52 × 5,500.42
4. Step 4: Simplify right side
   9,976.92x = 75,727,142.36
5. Step 5: Solve for x
   x = 75,727,142.36/9,976.92
6. Step 6: Final answer
   x = 7,590.23