Finding the Fourth Proportional to 3,890.76, 5,369.46 and 2,495.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,890.76 : 5,369.46 = 2,495.88 : x
2. Step 2: Convert to fraction form
   3,890.76/5,369.46 = 2,495.88/x
3. Step 3: Cross multiply
   3,890.76x = 5,369.46 × 2,495.88
4. Step 4: Simplify right side
   3,890.76x = 13,401,527.82
5. Step 5: Solve for x
   x = 13,401,527.82/3,890.76
6. Step 6: Final answer
   x = 3,444.45