Finding the Fourth Proportional to 3,725.90, 5,141.75 and 2,047.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,725.90 : 5,141.75 = 2,047.31 : x
2. Step 2: Convert to fraction form
   3,725.90/5,141.75 = 2,047.31/x
3. Step 3: Cross multiply
   3,725.90x = 5,141.75 × 2,047.31
4. Step 4: Simplify right side
   3,725.90x = 10,526,733.10
5. Step 5: Solve for x
   x = 10,526,733.10/3,725.90
6. Step 6: Final answer
   x = 2,825.29