Finding the Fourth Proportional to 5,689.10, 7,851.00 and 3,171.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,689.10 : 7,851.00 = 3,171.37 : x
2. Step 2: Convert to fraction form
   5,689.10/7,851.00 = 3,171.37/x
3. Step 3: Cross multiply
   5,689.10x = 7,851.00 × 3,171.37
4. Step 4: Simplify right side
   5,689.10x = 24,898,410.01
5. Step 5: Solve for x
   x = 24,898,410.01/5,689.10
6. Step 6: Final answer
   x = 4,376.51