Finding the Fourth Proportional to 9,538.58, 13,162.88 and 5,289.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,538.58 : 13,162.88 = 5,289.82 : x
2. Step 2: Convert to fraction form
   9,538.58/13,162.88 = 5,289.82/x
3. Step 3: Cross multiply
   9,538.58x = 13,162.88 × 5,289.82
4. Step 4: Simplify right side
   9,538.58x = 69,629,173.62
5. Step 5: Solve for x
   x = 69,629,173.62/9,538.58
6. Step 6: Final answer
   x = 7,299.74