Finding the Fourth Proportional to 4,145.86, 5,721.70 and 3,096.10

Step by Step Solution

1. Step 1: Write the proportion equation
   4,145.86 : 5,721.70 = 3,096.10 : x
2. Step 2: Convert to fraction form
   4,145.86/5,721.70 = 3,096.10/x
3. Step 3: Cross multiply
   4,145.86x = 5,721.70 × 3,096.10
4. Step 4: Simplify right side
   4,145.86x = 17,714,955.37
5. Step 5: Solve for x
   x = 17,714,955.37/4,145.86
6. Step 6: Final answer
   x = 4,272.93