Finding the Fourth Proportional to 9,749.06, 13,452.66 and 5,499.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,749.06 : 13,452.66 = 5,499.20 : x
2. Step 2: Convert to fraction form
   9,749.06/13,452.66 = 5,499.20/x
3. Step 3: Cross multiply
   9,749.06x = 13,452.66 × 5,499.20
4. Step 4: Simplify right side
   9,749.06x = 73,978,867.87
5. Step 5: Solve for x
   x = 73,978,867.87/9,749.06
6. Step 6: Final answer
   x = 7,588.31