Finding the Fourth Proportional to 3,673.72, 5,069.80 and 2,101.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,673.72 : 5,069.80 = 2,101.84 : x
2. Step 2: Convert to fraction form
   3,673.72/5,069.80 = 2,101.84/x
3. Step 3: Cross multiply
   3,673.72x = 5,069.80 × 2,101.84
4. Step 4: Simplify right side
   3,673.72x = 10,655,908.43
5. Step 5: Solve for x
   x = 10,655,908.43/3,673.72
6. Step 6: Final answer
   x = 2,900.58