Finding the Fourth Proportional to 7,469.12, 10,307.31 and 4,111.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,469.12 : 10,307.31 = 4,111.94 : x
2. Step 2: Convert to fraction form
   7,469.12/10,307.31 = 4,111.94/x
3. Step 3: Cross multiply
   7,469.12x = 10,307.31 × 4,111.94
4. Step 4: Simplify right side
   7,469.12x = 42,383,040.28
5. Step 5: Solve for x
   x = 42,383,040.28/7,469.12
6. Step 6: Final answer
   x = 5,674.44