Finding the Fourth Proportional to 3,434.33, 5,148.59 and 2,391.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,434.33 : 5,148.59 = 2,391.25 : x
2. Step 2: Convert to fraction form
   3,434.33/5,148.59 = 2,391.25/x
3. Step 3: Cross multiply
   3,434.33x = 5,148.59 × 2,391.25
4. Step 4: Simplify right side
   3,434.33x = 12,311,558.94
5. Step 5: Solve for x
   x = 12,311,558.94/3,434.33
6. Step 6: Final answer
   x = 3,584.86