Finding the Fourth Proportional to 9,965.04, 13,752.16 and 5,488.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,965.04 : 13,752.16 = 5,488.96 : x
2. Step 2: Convert to fraction form
   9,965.04/13,752.16 = 5,488.96/x
3. Step 3: Cross multiply
   9,965.04x = 13,752.16 × 5,488.96
4. Step 4: Simplify right side
   9,965.04x = 75,485,056.15
5. Step 5: Solve for x
   x = 75,485,056.15/9,965.04
6. Step 6: Final answer
   x = 7,574.99