Finding the Fourth Proportional to 3,696.30, 5,107.59 and 2,755.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,696.30 : 5,107.59 = 2,755.89 : x
2. Step 2: Convert to fraction form
   3,696.30/5,107.59 = 2,755.89/x
3. Step 3: Cross multiply
   3,696.30x = 5,107.59 × 2,755.89
4. Step 4: Simplify right side
   3,696.30x = 14,075,956.21
5. Step 5: Solve for x
   x = 14,075,956.21/3,696.30
6. Step 6: Final answer
   x = 3,808.12