Finding the Fourth Proportional to 7,404.05, 10,217.72 and 4,419.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,404.05 : 10,217.72 = 4,419.31 : x
2. Step 2: Convert to fraction form
   7,404.05/10,217.72 = 4,419.31/x
3. Step 3: Cross multiply
   7,404.05x = 10,217.72 × 4,419.31
4. Step 4: Simplify right side
   7,404.05x = 45,155,272.17
5. Step 5: Solve for x
   x = 45,155,272.17/7,404.05
6. Step 6: Final answer
   x = 6,098.73