Finding the Fourth Proportional to 9,591.22, 13,237.74 and 5,399.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,591.22 : 13,237.74 = 5,399.47 : x
2. Step 2: Convert to fraction form
   9,591.22/13,237.74 = 5,399.47/x
3. Step 3: Cross multiply
   9,591.22x = 13,237.74 × 5,399.47
4. Step 4: Simplify right side
   9,591.22x = 71,476,780.00
5. Step 5: Solve for x
   x = 71,476,780.00/9,591.22
6. Step 6: Final answer
   x = 7,452.31