Finding the Fourth Proportional to 3,714.42, 5,126.72 and 2,455.65

Step by Step Solution

1. Step 1: Write the proportion equation
   3,714.42 : 5,126.72 = 2,455.65 : x
2. Step 2: Convert to fraction form
   3,714.42/5,126.72 = 2,455.65/x
3. Step 3: Cross multiply
   3,714.42x = 5,126.72 × 2,455.65
4. Step 4: Simplify right side
   3,714.42x = 12,589,450.32
5. Step 5: Solve for x
   x = 12,589,450.32/3,714.42
6. Step 6: Final answer
   x = 3,389.35