Finding the Fourth Proportional to 9,969.99, 13,758.87 and 5,494.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,969.99 : 13,758.87 = 5,494.03 : x
2. Step 2: Convert to fraction form
   9,969.99/13,758.87 = 5,494.03/x
3. Step 3: Cross multiply
   9,969.99x = 13,758.87 × 5,494.03
4. Step 4: Simplify right side
   9,969.99x = 75,591,621.09
5. Step 5: Solve for x
   x = 75,591,621.09/9,969.99
6. Step 6: Final answer
   x = 7,581.92