Finding the Fourth Proportional to 3,517.30, 4,853.28 and 2,191.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,517.30 : 4,853.28 = 2,191.42 : x
2. Step 2: Convert to fraction form
   3,517.30/4,853.28 = 2,191.42/x
3. Step 3: Cross multiply
   3,517.30x = 4,853.28 × 2,191.42
4. Step 4: Simplify right side
   3,517.30x = 10,635,574.86
5. Step 5: Solve for x
   x = 10,635,574.86/3,517.30
6. Step 6: Final answer
   x = 3,023.79