Finding the Fourth Proportional to 7,042.28, 10,553.34 and 3,581.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,042.28 : 10,553.34 = 3,581.96 : x
2. Step 2: Convert to fraction form
   7,042.28/10,553.34 = 3,581.96/x
3. Step 3: Cross multiply
   7,042.28x = 10,553.34 × 3,581.96
4. Step 4: Simplify right side
   7,042.28x = 37,801,641.75
5. Step 5: Solve for x
   x = 37,801,641.75/7,042.28
6. Step 6: Final answer
   x = 5,367.81