Finding the Fourth Proportional to 3,857.10, 5,321.34 and 2,363.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,857.10 : 5,321.34 = 2,363.82 : x
2. Step 2: Convert to fraction form
   3,857.10/5,321.34 = 2,363.82/x
3. Step 3: Cross multiply
   3,857.10x = 5,321.34 × 2,363.82
4. Step 4: Simplify right side
   3,857.10x = 12,578,689.92
5. Step 5: Solve for x
   x = 12,578,689.92/3,857.10
6. Step 6: Final answer
   x = 3,261.18