Finding the Fourth Proportional to 7,223.42, 10,817.82 and 3,928.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,223.42 : 10,817.82 = 3,928.34 : x
2. Step 2: Convert to fraction form
   7,223.42/10,817.82 = 3,928.34/x
3. Step 3: Cross multiply
   7,223.42x = 10,817.82 × 3,928.34
4. Step 4: Simplify right side
   7,223.42x = 42,496,102.06
5. Step 5: Solve for x
   x = 42,496,102.06/7,223.42
6. Step 6: Final answer
   x = 5,883.10