Finding the Fourth Proportional to 9,976.84, 13,767.76 and 5,500.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,976.84 : 13,767.76 = 5,500.56 : x
2. Step 2: Convert to fraction form
   9,976.84/13,767.76 = 5,500.56/x
3. Step 3: Cross multiply
   9,976.84x = 13,767.76 × 5,500.56
4. Step 4: Simplify right side
   9,976.84x = 75,730,389.95
5. Step 5: Solve for x
   x = 75,730,389.95/9,976.84
6. Step 6: Final answer
   x = 7,590.62