Finding the Fourth Proportional to 3,907.84, 5,857.71 and 2,443.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,907.84 : 5,857.71 = 2,443.63 : x
2. Step 2: Convert to fraction form
   3,907.84/5,857.71 = 2,443.63/x
3. Step 3: Cross multiply
   3,907.84x = 5,857.71 × 2,443.63
4. Step 4: Simplify right side
   3,907.84x = 14,314,075.89
5. Step 5: Solve for x
   x = 14,314,075.89/3,907.84
6. Step 6: Final answer
   x = 3,662.91