Finding the Fourth Proportional to 3,815.28, 5,671.47 and 3,703.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,815.28 : 5,671.47 = 3,703.17 : x
2. Step 2: Convert to fraction form
   3,815.28/5,671.47 = 3,703.17/x
3. Step 3: Cross multiply
   3,815.28x = 5,671.47 × 3,703.17
4. Step 4: Simplify right side
   3,815.28x = 21,002,417.56
5. Step 5: Solve for x
   x = 21,002,417.56/3,815.28
6. Step 6: Final answer
   x = 5,504.82