Finding the Fourth Proportional to 7,234.38, 10,842.45 and 3,940.62

Step by Step Solution

1. Step 1: Write the proportion equation
   7,234.38 : 10,842.45 = 3,940.62 : x
2. Step 2: Convert to fraction form
   7,234.38/10,842.45 = 3,940.62/x
3. Step 3: Cross multiply
   7,234.38x = 10,842.45 × 3,940.62
4. Step 4: Simplify right side
   7,234.38x = 42,725,975.32
5. Step 5: Solve for x
   x = 42,725,975.32/7,234.38
6. Step 6: Final answer
   x = 5,905.96