Finding the Fourth Proportional to 9,964.51, 13,751.27 and 5,488.41

Step by Step Solution

1. Step 1: Write the proportion equation
   9,964.51 : 13,751.27 = 5,488.41 : x
2. Step 2: Convert to fraction form
   9,964.51/13,751.27 = 5,488.41/x
3. Step 3: Cross multiply
   9,964.51x = 13,751.27 × 5,488.41
4. Step 4: Simplify right side
   9,964.51x = 75,472,607.78
5. Step 5: Solve for x
   x = 75,472,607.78/9,964.51
6. Step 6: Final answer
   x = 7,574.14