Finding the Fourth Proportional to 3,404.62, 4,697.82 and 2,143.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,404.62 : 4,697.82 = 2,143.48 : x
2. Step 2: Convert to fraction form
   3,404.62/4,697.82 = 2,143.48/x
3. Step 3: Cross multiply
   3,404.62x = 4,697.82 × 2,143.48
4. Step 4: Simplify right side
   3,404.62x = 10,069,683.21
5. Step 5: Solve for x
   x = 10,069,683.21/3,404.62
6. Step 6: Final answer
   x = 2,957.65