Finding the Fourth Proportional to 9,969.48, 13,758.26 and 5,493.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,969.48 : 13,758.26 = 5,493.72 : x
2. Step 2: Convert to fraction form
   9,969.48/13,758.26 = 5,493.72/x
3. Step 3: Cross multiply
   9,969.48x = 13,758.26 × 5,493.72
4. Step 4: Simplify right side
   9,969.48x = 75,584,052.25
5. Step 5: Solve for x
   x = 75,584,052.25/9,969.48
6. Step 6: Final answer
   x = 7,581.54