Finding the Fourth Proportional to 9,137.36, 12,609.67 and 5,360.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,137.36 : 12,609.67 = 5,360.59 : x
2. Step 2: Convert to fraction form
   9,137.36/12,609.67 = 5,360.59/x
3. Step 3: Cross multiply
   9,137.36x = 12,609.67 × 5,360.59
4. Step 4: Simplify right side
   9,137.36x = 67,595,322.72
5. Step 5: Solve for x
   x = 67,595,322.72/9,137.36
6. Step 6: Final answer
   x = 7,397.68