Finding the Fourth Proportional to 3,276.72, 4,910.90 and 2,106.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,276.72 : 4,910.90 = 2,106.27 : x
2. Step 2: Convert to fraction form
   3,276.72/4,910.90 = 2,106.27/x
3. Step 3: Cross multiply
   3,276.72x = 4,910.90 × 2,106.27
4. Step 4: Simplify right side
   3,276.72x = 10,343,670.81
5. Step 5: Solve for x
   x = 10,343,670.81/3,276.72
6. Step 6: Final answer
   x = 3,156.71