Finding the Fourth Proportional to 7,222.35, 10,834.56 and 3,274.95

Step by Step Solution

1. Step 1: Write the proportion equation
   7,222.35 : 10,834.56 = 3,274.95 : x
2. Step 2: Convert to fraction form
   7,222.35/10,834.56 = 3,274.95/x
3. Step 3: Cross multiply
   7,222.35x = 10,834.56 × 3,274.95
4. Step 4: Simplify right side
   7,222.35x = 35,482,642.27
5. Step 5: Solve for x
   x = 35,482,642.27/7,222.35
6. Step 6: Final answer
   x = 4,912.89