Finding the Fourth Proportional to 3,725.12, 5,140.72 and 2,132.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,725.12 : 5,140.72 = 2,132.10 : x
2. Step 2: Convert to fraction form
   3,725.12/5,140.72 = 2,132.10/x
3. Step 3: Cross multiply
   3,725.12x = 5,140.72 × 2,132.10
4. Step 4: Simplify right side
   3,725.12x = 10,960,529.11
5. Step 5: Solve for x
   x = 10,960,529.11/3,725.12
6. Step 6: Final answer
   x = 2,942.33