Finding the Fourth Proportional to 9,387.82, 12,952.74 and 5,609.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,387.82 : 12,952.74 = 5,609.32 : x
2. Step 2: Convert to fraction form
   9,387.82/12,952.74 = 5,609.32/x
3. Step 3: Cross multiply
   9,387.82x = 12,952.74 × 5,609.32
4. Step 4: Simplify right side
   9,387.82x = 72,656,063.54
5. Step 5: Solve for x
   x = 72,656,063.54/9,387.82
6. Step 6: Final answer
   x = 7,739.40