Finding the Fourth Proportional to 6,740.42, 10,111.74 and 3,042.57

Step by Step Solution

1. Step 1: Write the proportion equation
   6,740.42 : 10,111.74 = 3,042.57 : x
2. Step 2: Convert to fraction form
   6,740.42/10,111.74 = 3,042.57/x
3. Step 3: Cross multiply
   6,740.42x = 10,111.74 × 3,042.57
4. Step 4: Simplify right side
   6,740.42x = 30,765,644.56
5. Step 5: Solve for x
   x = 30,765,644.56/6,740.42
6. Step 6: Final answer
   x = 4,564.35