Finding the Fourth Proportional to 9,969.97, 13,758.49 and 5,493.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,969.97 : 13,758.49 = 5,493.62 : x
2. Step 2: Convert to fraction form
   9,969.97/13,758.49 = 5,493.62/x
3. Step 3: Cross multiply
   9,969.97x = 13,758.49 × 5,493.62
4. Step 4: Simplify right side
   9,969.97x = 75,583,819.57
5. Step 5: Solve for x
   x = 75,583,819.57/9,969.97
6. Step 6: Final answer
   x = 7,581.15