Finding the Fourth Proportional to 3,673.82, 5,069.86 and 2,101.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,673.82 : 5,069.86 = 2,101.91 : x
2. Step 2: Convert to fraction form
   3,673.82/5,069.86 = 2,101.91/x
3. Step 3: Cross multiply
   3,673.82x = 5,069.86 × 2,101.91
4. Step 4: Simplify right side
   3,673.82x = 10,656,389.43
5. Step 5: Solve for x
   x = 10,656,389.43/3,673.82
6. Step 6: Final answer
   x = 2,900.63