Finding the Fourth Proportional to 3,456.56, 4,770.50 and 2,059.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,456.56 : 4,770.50 = 2,059.31 : x
2. Step 2: Convert to fraction form
   3,456.56/4,770.50 = 2,059.31/x
3. Step 3: Cross multiply
   3,456.56x = 4,770.50 × 2,059.31
4. Step 4: Simplify right side
   3,456.56x = 9,823,939.98
5. Step 5: Solve for x
   x = 9,823,939.98/3,456.56
6. Step 6: Final answer
   x = 2,842.11