Finding the Fourth Proportional to 3,116.40, 4,650.24 and 3,042.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,116.40 : 4,650.24 = 3,042.30 : x
2. Step 2: Convert to fraction form
   3,116.40/4,650.24 = 3,042.30/x
3. Step 3: Cross multiply
   3,116.40x = 4,650.24 × 3,042.30
4. Step 4: Simplify right side
   3,116.40x = 14,147,425.15
5. Step 5: Solve for x
   x = 14,147,425.15/3,116.40
6. Step 6: Final answer
   x = 4,539.67