Finding the Fourth Proportional to 2,941.30, 4,056.57 and 2,144.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,941.30 : 4,056.57 = 2,144.62 : x
2. Step 2: Convert to fraction form
   2,941.30/4,056.57 = 2,144.62/x
3. Step 3: Cross multiply
   2,941.30x = 4,056.57 × 2,144.62
4. Step 4: Simplify right side
   2,941.30x = 8,699,801.15
5. Step 5: Solve for x
   x = 8,699,801.15/2,941.30
6. Step 6: Final answer
   x = 2,957.81