Finding the Fourth Proportional to 3,921.89, 5,875.47 and 1,969.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,921.89 : 5,875.47 = 1,969.38 : x
2. Step 2: Convert to fraction form
   3,921.89/5,875.47 = 1,969.38/x
3. Step 3: Cross multiply
   3,921.89x = 5,875.47 × 1,969.38
4. Step 4: Simplify right side
   3,921.89x = 11,571,033.11
5. Step 5: Solve for x
   x = 11,571,033.11/3,921.89
6. Step 6: Final answer
   x = 2,950.38