Finding the Fourth Proportional to 3,777.31, 5,644.31 and 2,882.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,777.31 : 5,644.31 = 2,882.89 : x
2. Step 2: Convert to fraction form
   3,777.31/5,644.31 = 2,882.89/x
3. Step 3: Cross multiply
   3,777.31x = 5,644.31 × 2,882.89
4. Step 4: Simplify right side
   3,777.31x = 16,271,924.86
5. Step 5: Solve for x
   x = 16,271,924.86/3,777.31
6. Step 6: Final answer
   x = 4,307.81