Finding the Fourth Proportional to 3,725.74, 5,141.57 and 2,047.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,725.74 : 5,141.57 = 2,047.31 : x
2. Step 2: Convert to fraction form
   3,725.74/5,141.57 = 2,047.31/x
3. Step 3: Cross multiply
   3,725.74x = 5,141.57 × 2,047.31
4. Step 4: Simplify right side
   3,725.74x = 10,526,387.68
5. Step 5: Solve for x
   x = 10,526,387.68/3,725.74
6. Step 6: Final answer
   x = 2,825.31