Finding the Fourth Proportional to 9,977.55, 13,768.43 and 5,501.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,977.55 : 13,768.43 = 5,501.49 : x
2. Step 2: Convert to fraction form
   9,977.55/13,768.43 = 5,501.49/x
3. Step 3: Cross multiply
   9,977.55x = 13,768.43 × 5,501.49
4. Step 4: Simplify right side
   9,977.55x = 75,746,852.45
5. Step 5: Solve for x
   x = 75,746,852.45/9,977.55
6. Step 6: Final answer
   x = 7,591.73