Finding the Fourth Proportional to 6,171.59, 8,515.48 and 3,654.49

Step by Step Solution

1. Step 1: Write the proportion equation
   6,171.59 : 8,515.48 = 3,654.49 : x
2. Step 2: Convert to fraction form
   6,171.59/8,515.48 = 3,654.49/x
3. Step 3: Cross multiply
   6,171.59x = 8,515.48 × 3,654.49
4. Step 4: Simplify right side
   6,171.59x = 31,119,752.85
5. Step 5: Solve for x
   x = 31,119,752.85/6,171.59
6. Step 6: Final answer
   x = 5,042.42