Finding the Fourth Proportional to 9,386.46, 12,952.43 and 5,608.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,386.46 : 12,952.43 = 5,608.87 : x
2. Step 2: Convert to fraction form
   9,386.46/12,952.43 = 5,608.87/x
3. Step 3: Cross multiply
   9,386.46x = 12,952.43 × 5,608.87
4. Step 4: Simplify right side
   9,386.46x = 72,648,508.87
5. Step 5: Solve for x
   x = 72,648,508.87/9,386.46
6. Step 6: Final answer
   x = 7,739.72