Finding the Fourth Proportional to 3,725.42, 5,141.31 and 2,069.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,725.42 : 5,141.31 = 2,069.42 : x
2. Step 2: Convert to fraction form
   3,725.42/5,141.31 = 2,069.42/x
3. Step 3: Cross multiply
   3,725.42x = 5,141.31 × 2,069.42
4. Step 4: Simplify right side
   3,725.42x = 10,639,529.74
5. Step 5: Solve for x
   x = 10,639,529.74/3,725.42
6. Step 6: Final answer
   x = 2,855.93