Finding the Fourth Proportional to 9,977.49, 13,768.97 and 5,501.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,977.49 : 13,768.97 = 5,501.25 : x
2. Step 2: Convert to fraction form
   9,977.49/13,768.97 = 5,501.25/x
3. Step 3: Cross multiply
   9,977.49x = 13,768.97 × 5,501.25
4. Step 4: Simplify right side
   9,977.49x = 75,746,518.71
5. Step 5: Solve for x
   x = 75,746,518.71/9,977.49
6. Step 6: Final answer
   x = 7,591.74