Finding the Fourth Proportional to 2,795.40, 4,212.74 and 2,518.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,795.40 : 4,212.74 = 2,518.10 : x
2. Step 2: Convert to fraction form
   2,795.40/4,212.74 = 2,518.10/x
3. Step 3: Cross multiply
   2,795.40x = 4,212.74 × 2,518.10
4. Step 4: Simplify right side
   2,795.40x = 10,608,100.59
5. Step 5: Solve for x
   x = 10,608,100.59/2,795.40
6. Step 6: Final answer
   x = 3,794.84