Finding the Fourth Proportional to 7,211.86, 10,819.71 and 2,281.59

Step by Step Solution

1. Step 1: Write the proportion equation
   7,211.86 : 10,819.71 = 2,281.59 : x
2. Step 2: Convert to fraction form
   7,211.86/10,819.71 = 2,281.59/x
3. Step 3: Cross multiply
   7,211.86x = 10,819.71 × 2,281.59
4. Step 4: Simplify right side
   7,211.86x = 24,686,142.14
5. Step 5: Solve for x
   x = 24,686,142.14/7,211.86
6. Step 6: Final answer
   x = 3,422.99