Finding the Fourth Proportional to 7,404.49, 11,112.62 and 3,896.55

Step by Step Solution

1. Step 1: Write the proportion equation
   7,404.49 : 11,112.62 = 3,896.55 : x
2. Step 2: Convert to fraction form
   7,404.49/11,112.62 = 3,896.55/x
3. Step 3: Cross multiply
   7,404.49x = 11,112.62 × 3,896.55
4. Step 4: Simplify right side
   7,404.49x = 43,300,879.46
5. Step 5: Solve for x
   x = 43,300,879.46/7,404.49
6. Step 6: Final answer
   x = 5,847.92