Finding the Fourth Proportional to 3,068.56, 4,234.63 and 1,671.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,068.56 : 4,234.63 = 1,671.31 : x
2. Step 2: Convert to fraction form
   3,068.56/4,234.63 = 1,671.31/x
3. Step 3: Cross multiply
   3,068.56x = 4,234.63 × 1,671.31
4. Step 4: Simplify right side
   3,068.56x = 7,077,379.47
5. Step 5: Solve for x
   x = 7,077,379.47/3,068.56
6. Step 6: Final answer
   x = 2,306.42