Finding the Fourth Proportional to 3,949.61, 5,918.76 and 2,901.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,949.61 : 5,918.76 = 2,901.38 : x
2. Step 2: Convert to fraction form
   3,949.61/5,918.76 = 2,901.38/x
3. Step 3: Cross multiply
   3,949.61x = 5,918.76 × 2,901.38
4. Step 4: Simplify right side
   3,949.61x = 17,172,571.89
5. Step 5: Solve for x
   x = 17,172,571.89/3,949.61
6. Step 6: Final answer
   x = 4,347.92