Finding the Fourth Proportional to 3,725.89, 5,141.70 and 2,069.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,725.89 : 5,141.70 = 2,069.89 : x
2. Step 2: Convert to fraction form
   3,725.89/5,141.70 = 2,069.89/x
3. Step 3: Cross multiply
   3,725.89x = 5,141.70 × 2,069.89
4. Step 4: Simplify right side
   3,725.89x = 10,642,753.41
5. Step 5: Solve for x
   x = 10,642,753.41/3,725.89
6. Step 6: Final answer
   x = 2,856.43