Finding the Fourth Proportional to 5,870.17, 8,805.53 and 2,171.71

Step by Step Solution

1. Step 1: Write the proportion equation
   5,870.17 : 8,805.53 = 2,171.71 : x
2. Step 2: Convert to fraction form
   5,870.17/8,805.53 = 2,171.71/x
3. Step 3: Cross multiply
   5,870.17x = 8,805.53 × 2,171.71
4. Step 4: Simplify right side
   5,870.17x = 19,123,057.56
5. Step 5: Solve for x
   x = 19,123,057.56/5,870.17
6. Step 6: Final answer
   x = 3,257.67