Finding the Fourth Proportional to 2,495.40, 3,738.42 and 2,087.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,495.40 : 3,738.42 = 2,087.16 : x
2. Step 2: Convert to fraction form
   2,495.40/3,738.42 = 2,087.16/x
3. Step 3: Cross multiply
   2,495.40x = 3,738.42 × 2,087.16
4. Step 4: Simplify right side
   2,495.40x = 7,802,680.69
5. Step 5: Solve for x
   x = 7,802,680.69/2,495.40
6. Step 6: Final answer
   x = 3,126.83