Finding the Fourth Proportional to 2,736.55, 3,776.79 and 2,106.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736.55 : 3,776.79 = 2,106.58 : x
2. Step 2: Convert to fraction form
   2,736.55/3,776.79 = 2,106.58/x
3. Step 3: Cross multiply
   2,736.55x = 3,776.79 × 2,106.58
4. Step 4: Simplify right side
   2,736.55x = 7,956,110.28
5. Step 5: Solve for x
   x = 7,956,110.28/2,736.55
6. Step 6: Final answer
   x = 2,907.35