Finding the Fourth Proportional to 4,146.71, 5,727.94 and 3,072.17

Step by Step Solution

1. Step 1: Write the proportion equation
   4,146.71 : 5,727.94 = 3,072.17 : x
2. Step 2: Convert to fraction form
   4,146.71/5,727.94 = 3,072.17/x
3. Step 3: Cross multiply
   4,146.71x = 5,727.94 × 3,072.17
4. Step 4: Simplify right side
   4,146.71x = 17,597,185.61
5. Step 5: Solve for x
   x = 17,597,185.61/4,146.71
6. Step 6: Final answer
   x = 4,243.65