Finding the Fourth Proportional to 9,964.54, 13,751.24 and 5,488.26

Step by Step Solution

1. Step 1: Write the proportion equation
   9,964.54 : 13,751.24 = 5,488.26 : x
2. Step 2: Convert to fraction form
   9,964.54/13,751.24 = 5,488.26/x
3. Step 3: Cross multiply
   9,964.54x = 13,751.24 × 5,488.26
4. Step 4: Simplify right side
   9,964.54x = 75,470,301.43
5. Step 5: Solve for x
   x = 75,470,301.43/9,964.54
6. Step 6: Final answer
   x = 7,573.89