Finding the Fourth Proportional to 9,976.30, 13,767.91 and 5,500.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,976.30 : 13,767.91 = 5,500.04 : x
2. Step 2: Convert to fraction form
   9,976.30/13,767.91 = 5,500.04/x
3. Step 3: Cross multiply
   9,976.30x = 13,767.91 × 5,500.04
4. Step 4: Simplify right side
   9,976.30x = 75,724,097.01
5. Step 5: Solve for x
   x = 75,724,097.01/9,976.30
6. Step 6: Final answer
   x = 7,590.40