Finding the Fourth Proportional to 3,002.18, 4,142.90 and 1,743.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,002.18 : 4,142.90 = 1,743.16 : x
2. Step 2: Convert to fraction form
   3,002.18/4,142.90 = 1,743.16/x
3. Step 3: Cross multiply
   3,002.18x = 4,142.90 × 1,743.16
4. Step 4: Simplify right side
   3,002.18x = 7,221,737.56
5. Step 5: Solve for x
   x = 7,221,737.56/3,002.18
6. Step 6: Final answer
   x = 2,405.50