Finding the Fourth Proportional to 7,469.49, 10,307.69 and 4,111.85

Step by Step Solution

1. Step 1: Write the proportion equation
   7,469.49 : 10,307.69 = 4,111.85 : x
2. Step 2: Convert to fraction form
   7,469.49/10,307.69 = 4,111.85/x
3. Step 3: Cross multiply
   7,469.49x = 10,307.69 × 4,111.85
4. Step 4: Simplify right side
   7,469.49x = 42,383,675.13
5. Step 5: Solve for x
   x = 42,383,675.13/7,469.49
6. Step 6: Final answer
   x = 5,674.24