Finding the Fourth Proportional to 9,964.45, 13,751.03 and 5,488.36

Step by Step Solution

1. Step 1: Write the proportion equation
   9,964.45 : 13,751.03 = 5,488.36 : x
2. Step 2: Convert to fraction form
   9,964.45/13,751.03 = 5,488.36/x
3. Step 3: Cross multiply
   9,964.45x = 13,751.03 × 5,488.36
4. Step 4: Simplify right side
   9,964.45x = 75,470,603.01
5. Step 5: Solve for x
   x = 75,470,603.01/9,964.45
6. Step 6: Final answer
   x = 7,573.99