Finding the Fourth Proportional to 9,976.87, 13,767.92 and 5,501.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,976.87 : 13,767.92 = 5,501.04 : x
2. Step 2: Convert to fraction form
   9,976.87/13,767.92 = 5,501.04/x
3. Step 3: Cross multiply
   9,976.87x = 13,767.92 × 5,501.04
4. Step 4: Simplify right side
   9,976.87x = 75,737,878.64
5. Step 5: Solve for x
   x = 75,737,878.64/9,976.87
6. Step 6: Final answer
   x = 7,591.35