Finding the Fourth Proportional to 3,714.10, 5,124.40 and 2,141.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,714.10 : 5,124.40 = 2,141.89 : x
2. Step 2: Convert to fraction form
   3,714.10/5,124.40 = 2,141.89/x
3. Step 3: Cross multiply
   3,714.10x = 5,124.40 × 2,141.89
4. Step 4: Simplify right side
   3,714.10x = 10,975,901.12
5. Step 5: Solve for x
   x = 10,975,901.12/3,714.10
6. Step 6: Final answer
   x = 2,955.20