Finding the Fourth Proportional to 3,086.46, 4,255.63 and 2,141.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,086.46 : 4,255.63 = 2,141.53 : x
2. Step 2: Convert to fraction form
   3,086.46/4,255.63 = 2,141.53/x
3. Step 3: Cross multiply
   3,086.46x = 4,255.63 × 2,141.53
4. Step 4: Simplify right side
   3,086.46x = 9,113,559.31
5. Step 5: Solve for x
   x = 9,113,559.31/3,086.46
6. Step 6: Final answer
   x = 2,952.75