Finding the Fourth Proportional to 2,796.95, 3,859.55 and 1,618.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,796.95 : 3,859.55 = 1,618.10 : x
2. Step 2: Convert to fraction form
   2,796.95/3,859.55 = 1,618.10/x
3. Step 3: Cross multiply
   2,796.95x = 3,859.55 × 1,618.10
4. Step 4: Simplify right side
   2,796.95x = 6,245,110.47
5. Step 5: Solve for x
   x = 6,245,110.47/2,796.95
6. Step 6: Final answer
   x = 2,232.83