Finding the Fourth Proportional to 3,921.50, 5,882.76 and 2,072.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,921.50 : 5,882.76 = 2,072.69 : x
2. Step 2: Convert to fraction form
   3,921.50/5,882.76 = 2,072.69/x
3. Step 3: Cross multiply
   3,921.50x = 5,882.76 × 2,072.69
4. Step 4: Simplify right side
   3,921.50x = 12,193,098.05
5. Step 5: Solve for x
   x = 12,193,098.05/3,921.50
6. Step 6: Final answer
   x = 3,109.30