Finding the Fourth Proportional to 3,967.94, 5,947.86 and 2,869.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,967.94 : 5,947.86 = 2,869.58 : x
2. Step 2: Convert to fraction form
   3,967.94/5,947.86 = 2,869.58/x
3. Step 3: Cross multiply
   3,967.94x = 5,947.86 × 2,869.58
4. Step 4: Simplify right side
   3,967.94x = 17,067,860.10
5. Step 5: Solve for x
   x = 17,067,860.10/3,967.94
6. Step 6: Final answer
   x = 4,301.44