Finding the Fourth Proportional to 3,558.16, 5,340.42 and 3,167.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,558.16 : 5,340.42 = 3,167.56 : x
2. Step 2: Convert to fraction form
   3,558.16/5,340.42 = 3,167.56/x
3. Step 3: Cross multiply
   3,558.16x = 5,340.42 × 3,167.56
4. Step 4: Simplify right side
   3,558.16x = 16,916,100.78
5. Step 5: Solve for x
   x = 16,916,100.78/3,558.16
6. Step 6: Final answer
   x = 4,754.17