Finding the Fourth Proportional to 9,387.46, 12,953.81 and 5,609.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,387.46 : 12,953.81 = 5,609.87 : x
2. Step 2: Convert to fraction form
   9,387.46/12,953.81 = 5,609.87/x
3. Step 3: Cross multiply
   9,387.46x = 12,953.81 × 5,609.87
4. Step 4: Simplify right side
   9,387.46x = 72,669,190.10
5. Step 5: Solve for x
   x = 72,669,190.10/9,387.46
6. Step 6: Final answer
   x = 7,741.09