Finding the Fourth Proportional to 9,977.04, 13,768.42 and 5,500.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,977.04 : 13,768.42 = 5,500.96 : x
2. Step 2: Convert to fraction form
   9,977.04/13,768.42 = 5,500.96/x
3. Step 3: Cross multiply
   9,977.04x = 13,768.42 × 5,500.96
4. Step 4: Simplify right side
   9,977.04x = 75,739,527.68
5. Step 5: Solve for x
   x = 75,739,527.68/9,977.04
6. Step 6: Final answer
   x = 7,591.38