Finding the Fourth Proportional to 3,100.90, 4,653.79 and 2,736.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,100.90 : 4,653.79 = 2,736.42 : x
2. Step 2: Convert to fraction form
   3,100.90/4,653.79 = 2,736.42/x
3. Step 3: Cross multiply
   3,100.90x = 4,653.79 × 2,736.42
4. Step 4: Simplify right side
   3,100.90x = 12,734,724.03
5. Step 5: Solve for x
   x = 12,734,724.03/3,100.90
6. Step 6: Final answer
   x = 4,106.78