Finding the Fourth Proportional to 3,679.74, 5,077.89 and 2,107.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,679.74 : 5,077.89 = 2,107.62 : x
2. Step 2: Convert to fraction form
   3,679.74/5,077.89 = 2,107.62/x
3. Step 3: Cross multiply
   3,679.74x = 5,077.89 × 2,107.62
4. Step 4: Simplify right side
   3,679.74x = 10,702,262.52
5. Step 5: Solve for x
   x = 10,702,262.52/3,679.74
6. Step 6: Final answer
   x = 2,908.43