Finding the Fourth Proportional to 9,145.55, 13,721.61 and 3,595.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,145.55 : 13,721.61 = 3,595.82 : x
2. Step 2: Convert to fraction form
   9,145.55/13,721.61 = 3,595.82/x
3. Step 3: Cross multiply
   9,145.55x = 13,721.61 × 3,595.82
4. Step 4: Simplify right side
   9,145.55x = 49,340,371.06
5. Step 5: Solve for x
   x = 49,340,371.06/9,145.55
6. Step 6: Final answer
   x = 5,395.02