Finding the Fourth Proportional to 2,500.18, 3,442.71 and 2,168.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.18 : 3,442.71 = 2,168.62 : x
2. Step 2: Convert to fraction form
   2,500.18/3,442.71 = 2,168.62/x
3. Step 3: Cross multiply
   2,500.18x = 3,442.71 × 2,168.62
4. Step 4: Simplify right side
   2,500.18x = 7,465,929.76
5. Step 5: Solve for x
   x = 7,465,929.76/2,500.18
6. Step 6: Final answer
   x = 2,986.16