Finding the Fourth Proportional to 3,516.42, 4,851.82 and 2,189.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,516.42 : 4,851.82 = 2,189.42 : x
2. Step 2: Convert to fraction form
   3,516.42/4,851.82 = 2,189.42/x
3. Step 3: Cross multiply
   3,516.42x = 4,851.82 × 2,189.42
4. Step 4: Simplify right side
   3,516.42x = 10,622,671.74
5. Step 5: Solve for x
   x = 10,622,671.74/3,516.42
6. Step 6: Final answer
   x = 3,020.88