Finding the Fourth Proportional to 9,976.38, 13,767.36 and 5,500.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,976.38 : 13,767.36 = 5,500.12 : x
2. Step 2: Convert to fraction form
   9,976.38/13,767.36 = 5,500.12/x
3. Step 3: Cross multiply
   9,976.38x = 13,767.36 × 5,500.12
4. Step 4: Simplify right side
   9,976.38x = 75,722,149.29
5. Step 5: Solve for x
   x = 75,722,149.29/9,976.38
6. Step 6: Final answer
   x = 7,590.14