Finding the Fourth Proportional to 7,404.14, 11,100.72 and 4,481.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,404.14 : 11,100.72 = 4,481.78 : x
2. Step 2: Convert to fraction form
   7,404.14/11,100.72 = 4,481.78/x
3. Step 3: Cross multiply
   7,404.14x = 11,100.72 × 4,481.78
4. Step 4: Simplify right side
   7,404.14x = 49,750,984.88
5. Step 5: Solve for x
   x = 49,750,984.88/7,404.14
6. Step 6: Final answer
   x = 6,719.35