Finding the Fourth Proportional to 3,666.71, 5,059.83 and 2,154.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,666.71 : 5,059.83 = 2,154.04 : x
2. Step 2: Convert to fraction form
   3,666.71/5,059.83 = 2,154.04/x
3. Step 3: Cross multiply
   3,666.71x = 5,059.83 × 2,154.04
4. Step 4: Simplify right side
   3,666.71x = 10,899,074.46
5. Step 5: Solve for x
   x = 10,899,074.46/3,666.71
6. Step 6: Final answer
   x = 2,972.44