Finding the Fourth Proportional to 9,977.42, 13,768.94 and 5,501.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,977.42 : 13,768.94 = 5,501.35 : x
2. Step 2: Convert to fraction form
   9,977.42/13,768.94 = 5,501.35/x
3. Step 3: Cross multiply
   9,977.42x = 13,768.94 × 5,501.35
4. Step 4: Simplify right side
   9,977.42x = 75,747,758.07
5. Step 5: Solve for x
   x = 75,747,758.07/9,977.42
6. Step 6: Final answer
   x = 7,591.92