Finding the Fourth Proportional to 4,145.67, 5,721.43 and 3,095.91

Step by Step Solution

1. Step 1: Write the proportion equation
   4,145.67 : 5,721.43 = 3,095.91 : x
2. Step 2: Convert to fraction form
   4,145.67/5,721.43 = 3,095.91/x
3. Step 3: Cross multiply
   4,145.67x = 5,721.43 × 3,095.91
4. Step 4: Simplify right side
   4,145.67x = 17,713,054.39
5. Step 5: Solve for x
   x = 17,713,054.39/4,145.67
6. Step 6: Final answer
   x = 4,272.66