Finding the Fourth Proportional to 3,722.47, 5,137.10 and 2,043.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,722.47 : 5,137.10 = 2,043.89 : x
2. Step 2: Convert to fraction form
   3,722.47/5,137.10 = 2,043.89/x
3. Step 3: Cross multiply
   3,722.47x = 5,137.10 × 2,043.89
4. Step 4: Simplify right side
   3,722.47x = 10,499,647.53
5. Step 5: Solve for x
   x = 10,499,647.53/3,722.47
6. Step 6: Final answer
   x = 2,820.61