Finding the Fourth Proportional to 7,061.10, 9,744.39 and 3,874.40

Step by Step Solution

1. Step 1: Write the proportion equation
   7,061.10 : 9,744.39 = 3,874.40 : x
2. Step 2: Convert to fraction form
   7,061.10/9,744.39 = 3,874.40/x
3. Step 3: Cross multiply
   7,061.10x = 9,744.39 × 3,874.40
4. Step 4: Simplify right side
   7,061.10x = 37,753,664.62
5. Step 5: Solve for x
   x = 37,753,664.62/7,061.10
6. Step 6: Final answer
   x = 5,346.71