Finding the Fourth Proportional to 4,128.76, 5,699.25 and 3,015.46

Step by Step Solution

1. Step 1: Write the proportion equation
   4,128.76 : 5,699.25 = 3,015.46 : x
2. Step 2: Convert to fraction form
   4,128.76/5,699.25 = 3,015.46/x
3. Step 3: Cross multiply
   4,128.76x = 5,699.25 × 3,015.46
4. Step 4: Simplify right side
   4,128.76x = 17,185,860.41
5. Step 5: Solve for x
   x = 17,185,860.41/4,128.76
6. Step 6: Final answer
   x = 4,162.48