Finding the Fourth Proportional to 9,976.79, 13,767.33 and 5,500.29

Step by Step Solution

1. Step 1: Write the proportion equation
   9,976.79 : 13,767.33 = 5,500.29 : x
2. Step 2: Convert to fraction form
   9,976.79/13,767.33 = 5,500.29/x
3. Step 3: Cross multiply
   9,976.79x = 13,767.33 × 5,500.29
4. Step 4: Simplify right side
   9,976.79x = 75,724,307.53
5. Step 5: Solve for x
   x = 75,724,307.53/9,976.79
6. Step 6: Final answer
   x = 7,590.05