Finding the Fourth Proportional to 9,964.08, 13,750.28 and 5,488.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,964.08 : 13,750.28 = 5,488.25 : x
2. Step 2: Convert to fraction form
   9,964.08/13,750.28 = 5,488.25/x
3. Step 3: Cross multiply
   9,964.08x = 13,750.28 × 5,488.25
4. Step 4: Simplify right side
   9,964.08x = 75,464,878.02
5. Step 5: Solve for x
   x = 75,464,878.02/9,964.08
6. Step 6: Final answer
   x = 7,573.69