Finding the Fourth Proportional to 3,682.06, 5,080.89 and 2,109.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,682.06 : 5,080.89 = 2,109.94 : x
2. Step 2: Convert to fraction form
   3,682.06/5,080.89 = 2,109.94/x
3. Step 3: Cross multiply
   3,682.06x = 5,080.89 × 2,109.94
4. Step 4: Simplify right side
   3,682.06x = 10,720,373.05
5. Step 5: Solve for x
   x = 10,720,373.05/3,682.06
6. Step 6: Final answer
   x = 2,911.52