Finding the Fourth Proportional to 9,153.40, 13,734.69 and 3,610.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,153.40 : 13,734.69 = 3,610.72 : x
2. Step 2: Convert to fraction form
   9,153.40/13,734.69 = 3,610.72/x
3. Step 3: Cross multiply
   9,153.40x = 13,734.69 × 3,610.72
4. Step 4: Simplify right side
   9,153.40x = 49,592,119.88
5. Step 5: Solve for x
   x = 49,592,119.88/9,153.40
6. Step 6: Final answer
   x = 5,417.89