Finding the Fourth Proportional to 3,669.59, 5,063.99 and 2,076.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669.59 : 5,063.99 = 2,076.21 : x
2. Step 2: Convert to fraction form
   3,669.59/5,063.99 = 2,076.21/x
3. Step 3: Cross multiply
   3,669.59x = 5,063.99 × 2,076.21
4. Step 4: Simplify right side
   3,669.59x = 10,513,896.30
5. Step 5: Solve for x
   x = 10,513,896.30/3,669.59
6. Step 6: Final answer
   x = 2,865.15