Finding the Fourth Proportional to 3,181.42, 4,385.72 and 2,234.35

Step by Step Solution

1. Step 1: Write the proportion equation
   3,181.42 : 4,385.72 = 2,234.35 : x
2. Step 2: Convert to fraction form
   3,181.42/4,385.72 = 2,234.35/x
3. Step 3: Cross multiply
   3,181.42x = 4,385.72 × 2,234.35
4. Step 4: Simplify right side
   3,181.42x = 9,799,222.31
5. Step 5: Solve for x
   x = 9,799,222.31/3,181.42
6. Step 6: Final answer
   x = 3,080.14