Finding the Fourth Proportional to 2,736.12, 4,106.63 and 1,276.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736.12 : 4,106.63 = 1,276.10 : x
2. Step 2: Convert to fraction form
   2,736.12/4,106.63 = 1,276.10/x
3. Step 3: Cross multiply
   2,736.12x = 4,106.63 × 1,276.10
4. Step 4: Simplify right side
   2,736.12x = 5,240,470.54
5. Step 5: Solve for x
   x = 5,240,470.54/2,736.12
6. Step 6: Final answer
   x = 1,915.29