Finding the Fourth Proportional to 7,217.34, 10,824.24 and 2,774.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,217.34 : 10,824.24 = 2,774.10 : x
2. Step 2: Convert to fraction form
   7,217.34/10,824.24 = 2,774.10/x
3. Step 3: Cross multiply
   7,217.34x = 10,824.24 × 2,774.10
4. Step 4: Simplify right side
   7,217.34x = 30,027,524.18
5. Step 5: Solve for x
   x = 30,027,524.18/7,217.34
6. Step 6: Final answer
   x = 4,160.47