Finding the Fourth Proportional to 2,471.28, 3,709.35 and 1,376.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,471.28 : 3,709.35 = 1,376.43 : x
2. Step 2: Convert to fraction form
   2,471.28/3,709.35 = 1,376.43/x
3. Step 3: Cross multiply
   2,471.28x = 3,709.35 × 1,376.43
4. Step 4: Simplify right side
   2,471.28x = 5,105,660.62
5. Step 5: Solve for x
   x = 5,105,660.62/2,471.28
6. Step 6: Final answer
   x = 2,066.00