Finding the Fourth Proportional to 3,171.60, 4,758.89 and 2,132.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,171.60 : 4,758.89 = 2,132.10 : x
2. Step 2: Convert to fraction form
   3,171.60/4,758.89 = 2,132.10/x
3. Step 3: Cross multiply
   3,171.60x = 4,758.89 × 2,132.10
4. Step 4: Simplify right side
   3,171.60x = 10,146,418.71
5. Step 5: Solve for x
   x = 10,146,418.71/3,171.60
6. Step 6: Final answer
   x = 3,199.15