Finding the Fourth Proportional to 3,995.30, 5,513.29 and 2,293.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,995.30 : 5,513.29 = 2,293.72 : x
2. Step 2: Convert to fraction form
   3,995.30/5,513.29 = 2,293.72/x
3. Step 3: Cross multiply
   3,995.30x = 5,513.29 × 2,293.72
4. Step 4: Simplify right side
   3,995.30x = 12,645,943.54
5. Step 5: Solve for x
   x = 12,645,943.54/3,995.30
6. Step 6: Final answer
   x = 3,165.21