Finding the Fourth Proportional to 9,976.42, 13,767.56 and 5,500.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,976.42 : 13,767.56 = 5,500.35 : x
2. Step 2: Convert to fraction form
   9,976.42/13,767.56 = 5,500.35/x
3. Step 3: Cross multiply
   9,976.42x = 13,767.56 × 5,500.35
4. Step 4: Simplify right side
   9,976.42x = 75,726,391.77
5. Step 5: Solve for x
   x = 75,726,391.77/9,976.42
6. Step 6: Final answer
   x = 7,590.54