Finding the Fourth Proportional to 9,145.89, 13,717.94 and 2,571.93

Step by Step Solution

1. Step 1: Write the proportion equation
   9,145.89 : 13,717.94 = 2,571.93 : x
2. Step 2: Convert to fraction form
   9,145.89/13,717.94 = 2,571.93/x
3. Step 3: Cross multiply
   9,145.89x = 13,717.94 × 2,571.93
4. Step 4: Simplify right side
   9,145.89x = 35,281,568.56
5. Step 5: Solve for x
   x = 35,281,568.56/9,145.89
6. Step 6: Final answer
   x = 3,857.64